Add Phoenix + Ecto example (#60)

* Boostrap Phoenix application from mix phx.new

* Add opentelemetry dependencies

* Setup opentelemetry for local env

* Setup Dockerfile, docker-compose and otel config

* Configure runtime config for exporter to export to otel collector in prod env

* Generate Posts HTML resources

* Add Release module to run migration in release

* Generate Users LiveView resource

* Add exporter configuration to export directly to external service

* Update README.md to include description and instructions

* Update README.md to include more details on exporting traces

* Fix otlp collector deprecated ports as suggested
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[
import_deps: [:ecto, :phoenix],
inputs: ["*.{ex,exs}", "priv/*/seeds.exs", "{config,lib,test}/**/*.{ex,exs}"],
subdirectories: ["priv/*/migrations"]
]

34
examples/basic_phoenix_ecto/.gitignore vendored Normal file
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# The directory Mix will write compiled artifacts to.
/_build/
# If you run "mix test --cover", coverage assets end up here.
/cover/
# The directory Mix downloads your dependencies sources to.
/deps/
# Where 3rd-party dependencies like ExDoc output generated docs.
/doc/
# Ignore .fetch files in case you like to edit your project deps locally.
/.fetch
# If the VM crashes, it generates a dump, let's ignore it too.
erl_crash.dump
# Also ignore archive artifacts (built via "mix archive.build").
*.ez
# Ignore package tarball (built via "mix hex.build").
demo-*.tar
# Ignore assets that are produced by build tools.
/priv/static/assets/
# Ignore digested assets cache.
/priv/static/cache_manifest.json
# In case you use Node.js/npm, you want to ignore these.
npm-debug.log
/assets/node_modules/

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# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian instead of
# Alpine to avoid DNS resolution issues in production.
#
# https://hub.docker.com/r/hexpm/elixir/tags?page=1&name=ubuntu
# https://hub.docker.com/_/ubuntu?tab=tags
#
#
# This file is based on these images:
#
# - https://hub.docker.com/r/hexpm/elixir/tags - for the build image
# - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20210902-slim - for the release image
# - https://pkgs.org/ - resource for finding needed packages
# - Ex: hexpm/elixir:1.12.0-erlang-24.0.1-debian-bullseye-20210902-slim
#
ARG BUILDER_IMAGE="hexpm/elixir:1.12.0-erlang-24.0.1-debian-bullseye-20210902-slim"
ARG RUNNER_IMAGE="debian:bullseye-20210902-slim"
FROM ${BUILDER_IMAGE} as builder
# install build dependencies
RUN apt-get update -y && apt-get install -y build-essential git \
&& apt-get clean && rm -f /var/lib/apt/lists/*_*
# prepare build dir
WORKDIR /app
# install hex + rebar
RUN mix local.hex --force && \
mix local.rebar --force
# set build ENV
ENV MIX_ENV="prod"
# install mix dependencies
COPY mix.exs mix.lock ./
RUN mix deps.get --only $MIX_ENV
RUN mkdir config
# copy compile-time config files before we compile dependencies
# to ensure any relevant config change will trigger the dependencies
# to be re-compiled.
COPY config/config.exs config/${MIX_ENV}.exs config/
RUN mix deps.compile
COPY priv priv
# note: if your project uses a tool like https://purgecss.com/,
# which customizes asset compilation based on what it finds in
# your Elixir templates, you will need to move the asset compilation
# step down so that `lib` is available.
COPY assets assets
# compile assets
RUN mix assets.deploy
# Compile the release
COPY lib lib
RUN mix compile
# Changes to config/runtime.exs don't require recompiling the code
COPY config/runtime.exs config/
# COPY rel rel
RUN mix release
# start a new build stage so that the final image will only contain
# the compiled release and other runtime necessities
FROM ${RUNNER_IMAGE}
RUN apt-get update -y && apt-get install -y libstdc++6 openssl libncurses5 locales \
&& apt-get clean && rm -f /var/lib/apt/lists/*_*
# Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8
WORKDIR "/app"
RUN chown nobody /app
# Only copy the final release from the build stage
COPY --from=builder --chown=nobody:root /app/_build/prod/rel/demo ./
USER nobody
CMD /app/bin/demo start

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# Phoenix + Ecto OpenTelemetry Example
This is a example repository that demo how to setup OpenTelemetry for Phoenix application
with [`opentelemetry_phoenix`][0] and [`opentelemetry_ecto`][1].
Here, we are using [`opentelemetry_exporter`][2] to export the traces to [
OpenTelemetry Collector][3]. The collector in turn export the traces to [Zipkin][4] and [
Jaeger][5] respectively.
Additionally, we also include the OpenTelemetry Collector and
`opentelemetry_exporter` configuration to
export the traces to external services like [Honeycomb](https://www.honeycomb.io/) and
[Lightstep](https://lightstep.com/).
## Getting Stated
By default, we only configure our OpenTelemetry collector to export traces to
the local Zipkin and Jaeger.
Assuming you already have Docker and Docker Compose installed:
1. Run `docker-compose up` to start the Phoenix application, PostgreSQL,
OpenTelemetry Collector, Zipkin and Jaeger.
2. Run migration on another terminal with:
```
docker exec -it basic_phoenix_ecto_phoenix_1 /bin/bash ./bin/demo eval 'Demo.Release.migrate()'
```
3. Browse to http://localhost:4000. Additionally, you can:
- Visit http://localhost:4000/posts to see how it works for Phoenix HTML
- Visit http://localhost:4000/users to see how it works for Phoenix LiveView
4. Visit Zipkin at http://localhost:9411 and hit `Run Query` to look the the sample trace.
5. Visit Jaeger UI at http://localhost:16686, select `demo` under Service and click `Find Trace` to
look at the sample trace.
6. Run `docker-compose down` to destroy the created resources.
## Different ways to export traces
In general, there are 2 ways you can export your OpenTelemetry traces.
- Export to OpenTelemetry Collector, which can then be configured to export to
external services.
```
Application --> OpenTelemetry Collector --> Zipkin
|-----> Jaeger
```
- Export directly to external services that accept OTLP protocol.
```
Application --> External Service
```
For exporting to external services, be sure to checkout their
documentation first. For example:
- [OpenTelemetry | Honeycomb](https://docs.honeycomb.io/getting-data-in/opentelemetry/)
- [OpenTelemetry Collector | Honeycomb](https://docs.honeycomb.io/getting-data-in/opentelemetry/otel-collector/)
- [Send Telemetry Data via OTLP/HTTP | Lightstep Learning Portal](https://docs.lightstep.com/docs/send-otlp-over-http-to-lightstep)
- [Already Using OpenTelemetry Collectors? | Lightstep Learning Portal](https://docs.lightstep.com/docs/already-using-collectors)
- [OpenTelemetry quick start | New Relic Documentation](https://docs.newrelic.com/docs/more-integrations/open-source-telemetry-integrations/opentelemetry/opentelemetry-quick-start)
[0]: https://hex.pm/packages/opentelemetry_phoenix
[1]: https://hex.pm/packages/opentelemetry_ecto
[2]: https://hex.pm/packages/opentelemetry_exporter
[3]: https://github.com/open-telemetry/opentelemetry-collector/
[4]: https://zipkin.io/
[5]: https://www.jaegertracing.io/

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/* This file is for your main application CSS */
@import "./phoenix.css";
/* Alerts and form errors used by phx.new */
.alert {
padding: 15px;
margin-bottom: 20px;
border: 1px solid transparent;
border-radius: 4px;
}
.alert-info {
color: #31708f;
background-color: #d9edf7;
border-color: #bce8f1;
}
.alert-warning {
color: #8a6d3b;
background-color: #fcf8e3;
border-color: #faebcc;
}
.alert-danger {
color: #a94442;
background-color: #f2dede;
border-color: #ebccd1;
}
.alert p {
margin-bottom: 0;
}
.alert:empty {
display: none;
}
.invalid-feedback {
color: #a94442;
display: block;
margin: -1rem 0 2rem;
}
/* LiveView specific classes for your customization */
.phx-no-feedback.invalid-feedback,
.phx-no-feedback .invalid-feedback {
display: none;
}
.phx-click-loading {
opacity: 0.5;
transition: opacity 1s ease-out;
}
.phx-loading{
cursor: wait;
}
.phx-modal {
opacity: 1!important;
position: fixed;
z-index: 1;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: rgba(0,0,0,0.4);
}
.phx-modal-content {
background-color: #fefefe;
margin: 15vh auto;
padding: 20px;
border: 1px solid #888;
width: 80%;
}
.phx-modal-close {
color: #aaa;
float: right;
font-size: 28px;
font-weight: bold;
}
.phx-modal-close:hover,
.phx-modal-close:focus {
color: black;
text-decoration: none;
cursor: pointer;
}
.fade-in-scale {
animation: 0.2s ease-in 0s normal forwards 1 fade-in-scale-keys;
}
.fade-out-scale {
animation: 0.2s ease-out 0s normal forwards 1 fade-out-scale-keys;
}
.fade-in {
animation: 0.2s ease-out 0s normal forwards 1 fade-in-keys;
}
.fade-out {
animation: 0.2s ease-out 0s normal forwards 1 fade-out-keys;
}
@keyframes fade-in-scale-keys{
0% { scale: 0.95; opacity: 0; }
100% { scale: 1.0; opacity: 1; }
}
@keyframes fade-out-scale-keys{
0% { scale: 1.0; opacity: 1; }
100% { scale: 0.95; opacity: 0; }
}
@keyframes fade-in-keys{
0% { opacity: 0; }
100% { opacity: 1; }
}
@keyframes fade-out-keys{
0% { opacity: 1; }
100% { opacity: 0; }
}

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// We import the CSS which is extracted to its own file by esbuild.
// Remove this line if you add a your own CSS build pipeline (e.g postcss).
import "../css/app.css"
// If you want to use Phoenix channels, run `mix help phx.gen.channel`
// to get started and then uncomment the line below.
// import "./user_socket.js"
// You can include dependencies in two ways.
//
// The simplest option is to put them in assets/vendor and
// import them using relative paths:
//
// import "../vendor/some-package.js"
//
// Alternatively, you can `npm install some-package --prefix assets` and import
// them using a path starting with the package name:
//
// import "some-package"
//
// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
import "phoenix_html"
// Establish Phoenix Socket and LiveView configuration.
import {Socket} from "phoenix"
import {LiveSocket} from "phoenix_live_view"
import topbar from "../vendor/topbar"
let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
let liveSocket = new LiveSocket("/live", Socket, {params: {_csrf_token: csrfToken}})
// Show progress bar on live navigation and form submits
topbar.config({barColors: {0: "#29d"}, shadowColor: "rgba(0, 0, 0, .3)"})
window.addEventListener("phx:page-loading-start", info => topbar.show())
window.addEventListener("phx:page-loading-stop", info => topbar.hide())
// connect if there are any LiveViews on the page
liveSocket.connect()
// expose liveSocket on window for web console debug logs and latency simulation:
// >> liveSocket.enableDebug()
// >> liveSocket.enableLatencySim(1000) // enabled for duration of browser session
// >> liveSocket.disableLatencySim()
window.liveSocket = liveSocket

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/**
* @license MIT
* topbar 1.0.0, 2021-01-06
* https://buunguyen.github.io/topbar
* Copyright (c) 2021 Buu Nguyen
*/
(function (window, document) {
"use strict";
// https://gist.github.com/paulirish/1579671
(function () {
var lastTime = 0;
var vendors = ["ms", "moz", "webkit", "o"];
for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame =
window[vendors[x] + "RequestAnimationFrame"];
window.cancelAnimationFrame =
window[vendors[x] + "CancelAnimationFrame"] ||
window[vendors[x] + "CancelRequestAnimationFrame"];
}
if (!window.requestAnimationFrame)
window.requestAnimationFrame = function (callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function () {
callback(currTime + timeToCall);
}, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
if (!window.cancelAnimationFrame)
window.cancelAnimationFrame = function (id) {
clearTimeout(id);
};
})();
var canvas,
progressTimerId,
fadeTimerId,
currentProgress,
showing,
addEvent = function (elem, type, handler) {
if (elem.addEventListener) elem.addEventListener(type, handler, false);
else if (elem.attachEvent) elem.attachEvent("on" + type, handler);
else elem["on" + type] = handler;
},
options = {
autoRun: true,
barThickness: 3,
barColors: {
0: "rgba(26, 188, 156, .9)",
".25": "rgba(52, 152, 219, .9)",
".50": "rgba(241, 196, 15, .9)",
".75": "rgba(230, 126, 34, .9)",
"1.0": "rgba(211, 84, 0, .9)",
},
shadowBlur: 10,
shadowColor: "rgba(0, 0, 0, .6)",
className: null,
},
repaint = function () {
canvas.width = window.innerWidth;
canvas.height = options.barThickness * 5; // need space for shadow
var ctx = canvas.getContext("2d");
ctx.shadowBlur = options.shadowBlur;
ctx.shadowColor = options.shadowColor;
var lineGradient = ctx.createLinearGradient(0, 0, canvas.width, 0);
for (var stop in options.barColors)
lineGradient.addColorStop(stop, options.barColors[stop]);
ctx.lineWidth = options.barThickness;
ctx.beginPath();
ctx.moveTo(0, options.barThickness / 2);
ctx.lineTo(
Math.ceil(currentProgress * canvas.width),
options.barThickness / 2
);
ctx.strokeStyle = lineGradient;
ctx.stroke();
},
createCanvas = function () {
canvas = document.createElement("canvas");
var style = canvas.style;
style.position = "fixed";
style.top = style.left = style.right = style.margin = style.padding = 0;
style.zIndex = 100001;
style.display = "none";
if (options.className) canvas.classList.add(options.className);
document.body.appendChild(canvas);
addEvent(window, "resize", repaint);
},
topbar = {
config: function (opts) {
for (var key in opts)
if (options.hasOwnProperty(key)) options[key] = opts[key];
},
show: function () {
if (showing) return;
showing = true;
if (fadeTimerId !== null) window.cancelAnimationFrame(fadeTimerId);
if (!canvas) createCanvas();
canvas.style.opacity = 1;
canvas.style.display = "block";
topbar.progress(0);
if (options.autoRun) {
(function loop() {
progressTimerId = window.requestAnimationFrame(loop);
topbar.progress(
"+" + 0.05 * Math.pow(1 - Math.sqrt(currentProgress), 2)
);
})();
}
},
progress: function (to) {
if (typeof to === "undefined") return currentProgress;
if (typeof to === "string") {
to =
(to.indexOf("+") >= 0 || to.indexOf("-") >= 0
? currentProgress
: 0) + parseFloat(to);
}
currentProgress = to > 1 ? 1 : to;
repaint();
return currentProgress;
},
hide: function () {
if (!showing) return;
showing = false;
if (progressTimerId != null) {
window.cancelAnimationFrame(progressTimerId);
progressTimerId = null;
}
(function loop() {
if (topbar.progress("+.1") >= 1) {
canvas.style.opacity -= 0.05;
if (canvas.style.opacity <= 0.05) {
canvas.style.display = "none";
fadeTimerId = null;
return;
}
}
fadeTimerId = window.requestAnimationFrame(loop);
})();
},
};
if (typeof module === "object" && typeof module.exports === "object") {
module.exports = topbar;
} else if (typeof define === "function" && define.amd) {
define(function () {
return topbar;
});
} else {
this.topbar = topbar;
}
}.call(this, window, document));

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# This file is responsible for configuring your application
# and its dependencies with the aid of the Config module.
#
# This configuration file is loaded before any dependency and
# is restricted to this project.
# General application configuration
import Config
config :demo,
ecto_repos: [Demo.Repo]
# Configures the endpoint
config :demo, DemoWeb.Endpoint,
url: [host: "localhost"],
render_errors: [view: DemoWeb.ErrorView, accepts: ~w(html json), layout: false],
pubsub_server: Demo.PubSub,
live_view: [signing_salt: "VAm4n+i4"]
# Configures the mailer
#
# By default it uses the "Local" adapter which stores the emails
# locally. You can see the emails in your browser, at "/dev/mailbox".
#
# For production it's recommended to configure a different adapter
# at the `config/runtime.exs`.
config :demo, Demo.Mailer, adapter: Swoosh.Adapters.Local
# Swoosh API client is needed for adapters other than SMTP.
config :swoosh, :api_client, false
# Configure esbuild (the version is required)
config :esbuild,
version: "0.14.0",
default: [
args:
~w(js/app.js --bundle --target=es2017 --outdir=../priv/static/assets --external:/fonts/* --external:/images/*),
cd: Path.expand("../assets", __DIR__),
env: %{"NODE_PATH" => Path.expand("../deps", __DIR__)}
]
# Configures Elixir's Logger
config :logger, :console,
format: "$time $metadata[$level] $message\n",
metadata: [:request_id]
# Use Jason for JSON parsing in Phoenix
config :phoenix, :json_library, Jason
# Console Exporter for OpenTelemetry Exporter
config :opentelemetry, :processors,
otel_batch_processor: %{
exporter: {:otel_exporter_stdout, []}
}
# Import environment specific config. This must remain at the bottom
# of this file so it overrides the configuration defined above.
import_config "#{config_env()}.exs"

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import Config
# Configure your database
config :demo, Demo.Repo,
username: "postgres",
password: "postgres",
hostname: "localhost",
database: "demo_dev",
show_sensitive_data_on_connection_error: true,
pool_size: 10
# For development, we disable any cache and enable
# debugging and code reloading.
#
# The watchers configuration can be used to run external
# watchers to your application. For example, we use it
# with esbuild to bundle .js and .css sources.
config :demo, DemoWeb.Endpoint,
# Binding to loopback ipv4 address prevents access from other machines.
# Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
http: [ip: {127, 0, 0, 1}, port: 4000],
check_origin: false,
code_reloader: true,
debug_errors: true,
secret_key_base: "sCG0+TPbrMjXcTfqNb/y8OtflRYrWlqugOQev4l37ONaqnKUpB/lucwjYVJ7skz2",
watchers: [
# Start the esbuild watcher by calling Esbuild.install_and_run(:default, args)
esbuild: {Esbuild, :install_and_run, [:default, ~w(--sourcemap=inline --watch)]}
]
# ## SSL Support
#
# In order to use HTTPS in development, a self-signed
# certificate can be generated by running the following
# Mix task:
#
# mix phx.gen.cert
#
# Note that this task requires Erlang/OTP 20 or later.
# Run `mix help phx.gen.cert` for more information.
#
# The `http:` config above can be replaced with:
#
# https: [
# port: 4001,
# cipher_suite: :strong,
# keyfile: "priv/cert/selfsigned_key.pem",
# certfile: "priv/cert/selfsigned.pem"
# ],
#
# If desired, both `http:` and `https:` keys can be
# configured to run both http and https servers on
# different ports.
# Watch static and templates for browser reloading.
config :demo, DemoWeb.Endpoint,
live_reload: [
patterns: [
~r"priv/static/.*(js|css|png|jpeg|jpg|gif|svg)$",
~r"priv/gettext/.*(po)$",
~r"lib/demo_web/(live|views)/.*(ex)$",
~r"lib/demo_web/templates/.*(eex)$"
]
]
# Do not include metadata nor timestamps in development logs
config :logger, :console, format: "[$level] $message\n"
# Set a higher stacktrace during development. Avoid configuring such
# in production as building large stacktraces may be expensive.
config :phoenix, :stacktrace_depth, 20
# Initialize plugs at runtime for faster development compilation
config :phoenix, :plug_init_mode, :runtime

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import Config
# For production, don't forget to configure the url host
# to something meaningful, Phoenix uses this information
# when generating URLs.
#
# Note we also include the path to a cache manifest
# containing the digested version of static files. This
# manifest is generated by the `mix phx.digest` task,
# which you should run after static files are built and
# before starting your production server.
config :demo, DemoWeb.Endpoint, cache_static_manifest: "priv/static/cache_manifest.json"
# Do not print debug messages in production
config :logger, level: :info
# ## SSL Support
#
# To get SSL working, you will need to add the `https` key
# to the previous section and set your `:url` port to 443:
#
# config :demo, DemoWeb.Endpoint,
# ...,
# url: [host: "example.com", port: 443],
# https: [
# ...,
# port: 443,
# cipher_suite: :strong,
# keyfile: System.get_env("SOME_APP_SSL_KEY_PATH"),
# certfile: System.get_env("SOME_APP_SSL_CERT_PATH")
# ]
#
# The `cipher_suite` is set to `:strong` to support only the
# latest and more secure SSL ciphers. This means old browsers
# and clients may not be supported. You can set it to
# `:compatible` for wider support.
#
# `:keyfile` and `:certfile` expect an absolute path to the key
# and cert in disk or a relative path inside priv, for example
# "priv/ssl/server.key". For all supported SSL configuration
# options, see https://hexdocs.pm/plug/Plug.SSL.html#configure/1
#
# We also recommend setting `force_ssl` in your endpoint, ensuring
# no data is ever sent via http, always redirecting to https:
#
# config :demo, DemoWeb.Endpoint,
# force_ssl: [hsts: true]
#
# Check `Plug.SSL` for all available options in `force_ssl`.

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import Config
# config/runtime.exs is executed for all environments, including
# during releases. It is executed after compilation and before the
# system starts, so it is typically used to load production configuration
# and secrets from environment variables or elsewhere. Do not define
# any compile-time configuration in here, as it won't be applied.
# The block below contains prod specific runtime configuration.
# Start the phoenix server if environment is set and running in a release
if System.get_env("PHX_SERVER") && System.get_env("RELEASE_NAME") do
config :demo, DemoWeb.Endpoint, server: true
end
if config_env() == :prod do
database_url =
System.get_env("DATABASE_URL") ||
raise """
environment variable DATABASE_URL is missing.
For example: ecto://USER:PASS@HOST/DATABASE
"""
maybe_ipv6 = if System.get_env("ECTO_IPV6"), do: [:inet6], else: []
config :demo, Demo.Repo,
# ssl: true,
url: database_url,
pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10"),
socket_options: maybe_ipv6
# The secret key base is used to sign/encrypt cookies and other secrets.
# A default value is used in config/dev.exs and config/test.exs but you
# want to use a different value for prod and you most likely don't want
# to check this value into version control, so we use an environment
# variable instead.
secret_key_base =
System.get_env("SECRET_KEY_BASE") ||
raise """
environment variable SECRET_KEY_BASE is missing.
You can generate one by calling: mix phx.gen.secret
"""
host = System.get_env("PHX_HOST") || "example.com"
port = String.to_integer(System.get_env("PORT") || "4000")
config :demo, DemoWeb.Endpoint,
url: [host: host, port: 443],
http: [
# Enable IPv6 and bind on all interfaces.
# Set it to {0, 0, 0, 0, 0, 0, 0, 1} for local network only access.
# See the documentation on https://hexdocs.pm/plug_cowboy/Plug.Cowboy.html
# for details about using IPv6 vs IPv4 and loopback vs public addresses.
ip: {0, 0, 0, 0, 0, 0, 0, 0},
port: port
],
secret_key_base: secret_key_base
config :opentelemetry, :processors,
otel_batch_processor: %{
# Using `otel` here since we are starting through docker-compose where
# otel refer to the hostname of the OpenCollector,
#
# If you are running it locally, kindly change it to the correct
# hostname such as `localhost`, `0.0.0.0` and etc.
exporter: {:opentelemetry_exporter, %{endpoints: ["http://otel:4318"]}}
# Example configuration to directly export to Honeycomb.io
# exporter: {
# :opentelemetry_exporter, %{
# endpoints: ["https://api.honeycomb.io:443"],
# headers: [
# {"x-honeycomb-team", System.get_env("HONEYCOMB_TEAM")},
# {"x-honeycomb-dataset", System.get_env("HONEYCOMB_DATASET") || "demo"}
# ]
# }
# }
# Example configuration to directly export to Lightstep.com
#
# Since Lightstep has a different OTLP trace endpoint, we are going need
# to configure it in a separate configuration.
# exporter: {
# :opentelemetry_exporter, %{}
# }
}
# Example configuration for Lightstep.com, for more refers to:
# https://github.com/open-telemetry/opentelemetry-erlang/tree/main/apps/opentelemetry_exporter#application-environment
# config :opentelemetry_exporter
# # You can also configure the compression type for exporting traces.
# oltp_traces_compression: :gzip,
# otlp_traces_endpoint: "https://ingest.lightstep.com:443/traces/otlp/v0.9",
# otlp_headers: [
# {"lightstep-access-token", System.get_env("LIGHTSTEP_ACCESS_TOKEN")}
# ]
# ## Using releases
#
# If you are doing OTP releases, you need to instruct Phoenix
# to start each relevant endpoint:
#
# config :demo, DemoWeb.Endpoint, server: true
#
# Then you can assemble a release by calling `mix release`.
# See `mix help release` for more information.
# ## Configuring the mailer
#
# In production you need to configure the mailer to use a different adapter.
# Also, you may need to configure the Swoosh API client of your choice if you
# are not using SMTP. Here is an example of the configuration:
#
# config :demo, Demo.Mailer,
# adapter: Swoosh.Adapters.Mailgun,
# api_key: System.get_env("MAILGUN_API_KEY"),
# domain: System.get_env("MAILGUN_DOMAIN")
#
# For this example you need include a HTTP client required by Swoosh API client.
# Swoosh supports Hackney and Finch out of the box:
#
# config :swoosh, :api_client, Swoosh.ApiClient.Hackney
#
# See https://hexdocs.pm/swoosh/Swoosh.html#module-installation for details.
end

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import Config
# Configure your database
#
# The MIX_TEST_PARTITION environment variable can be used
# to provide built-in test partitioning in CI environment.
# Run `mix help test` for more information.
config :demo, Demo.Repo,
username: "postgres",
password: "postgres",
hostname: "localhost",
database: "demo_test#{System.get_env("MIX_TEST_PARTITION")}",
pool: Ecto.Adapters.SQL.Sandbox,
pool_size: 10
# We don't run a server during test. If one is required,
# you can enable the server option below.
config :demo, DemoWeb.Endpoint,
http: [ip: {127, 0, 0, 1}, port: 4002],
secret_key_base: "HA6q/NdvvNoDUSpoLsTkiwvN8RTuGyiWHc9XT50EQsrxT7MEyEv/SPeO/Ty9Zafz",
server: false
# In test we don't send emails.
config :demo, Demo.Mailer, adapter: Swoosh.Adapters.Test
# Print only warnings and errors during test
config :logger, level: :warn
# Initialize plugs at runtime for faster test compilation
config :phoenix, :plug_init_mode, :runtime

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version: '3'
services:
postgres:
image: 'postgres:latest'
ports:
- 5432:5432
environment:
POSTGRES_USER: postgres
POSTGRES_PASSWORD: postgres
POSTGRES_DB: demo_dev
phoenix:
env_file: .env
build: .
ports:
- 4000:4000
otel:
image: otel/opentelemetry-collector-contrib-dev:latest
command: ["--config=/etc/otel-collector-config.yaml"]
ports:
- '4318:4318'
volumes:
- ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
zipkin:
image: openzipkin/zipkin-slim
ports:
- '9411:9411'
# Jaeger
jaeger-all-in-one:
image: jaegertracing/all-in-one:latest
ports:
- "16686:16686"
- "14268"
- "14250"

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defmodule Demo do
@moduledoc """
Demo keeps the contexts that define your domain
and business logic.
Contexts are also responsible for managing your data, regardless
if it comes from the database, an external API or others.
"""
end

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defmodule Demo.Accounts do
@moduledoc """
The Accounts context.
"""
import Ecto.Query, warn: false
alias Demo.Repo
alias Demo.Accounts.User
@doc """
Returns the list of users.
## Examples
iex> list_users()
[%User{}, ...]
"""
def list_users do
Repo.all(User)
end
@doc """
Gets a single user.
Raises `Ecto.NoResultsError` if the User does not exist.
## Examples
iex> get_user!(123)
%User{}
iex> get_user!(456)
** (Ecto.NoResultsError)
"""
def get_user!(id), do: Repo.get!(User, id)
@doc """
Creates a user.
## Examples
iex> create_user(%{field: value})
{:ok, %User{}}
iex> create_user(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_user(attrs \\ %{}) do
%User{}
|> User.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a user.
## Examples
iex> update_user(user, %{field: new_value})
{:ok, %User{}}
iex> update_user(user, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_user(%User{} = user, attrs) do
user
|> User.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a user.
## Examples
iex> delete_user(user)
{:ok, %User{}}
iex> delete_user(user)
{:error, %Ecto.Changeset{}}
"""
def delete_user(%User{} = user) do
Repo.delete(user)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking user changes.
## Examples
iex> change_user(user)
%Ecto.Changeset{data: %User{}}
"""
def change_user(%User{} = user, attrs \\ %{}) do
User.changeset(user, attrs)
end
end

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defmodule Demo.Accounts.User do
use Ecto.Schema
import Ecto.Changeset
schema "users" do
field :name, :string
timestamps()
end
@doc false
def changeset(user, attrs) do
user
|> cast(attrs, [:name])
|> validate_required([:name])
end
end

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defmodule Demo.Application do
# See https://hexdocs.pm/elixir/Application.html
# for more information on OTP Applications
@moduledoc false
use Application
@impl true
def start(_type, _args) do
OpentelemetryPhoenix.setup()
OpentelemetryEcto.setup([:demo, :repo])
children = [
# Start the Ecto repository
Demo.Repo,
# Start the Telemetry supervisor
DemoWeb.Telemetry,
# Start the PubSub system
{Phoenix.PubSub, name: Demo.PubSub},
# Start the Endpoint (http/https)
DemoWeb.Endpoint
# Start a worker by calling: Demo.Worker.start_link(arg)
# {Demo.Worker, arg}
]
# See https://hexdocs.pm/elixir/Supervisor.html
# for other strategies and supported options
opts = [strategy: :one_for_one, name: Demo.Supervisor]
Supervisor.start_link(children, opts)
end
# Tell Phoenix to update the endpoint configuration
# whenever the application is updated.
@impl true
def config_change(changed, _new, removed) do
DemoWeb.Endpoint.config_change(changed, removed)
:ok
end
end

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defmodule Demo.Blog do
@moduledoc """
The Blog context.
"""
import Ecto.Query, warn: false
alias Demo.Repo
alias Demo.Blog.Post
@doc """
Returns the list of posts.
## Examples
iex> list_posts()
[%Post{}, ...]
"""
def list_posts do
Repo.all(Post)
end
@doc """
Gets a single post.
Raises `Ecto.NoResultsError` if the Post does not exist.
## Examples
iex> get_post!(123)
%Post{}
iex> get_post!(456)
** (Ecto.NoResultsError)
"""
def get_post!(id), do: Repo.get!(Post, id)
@doc """
Creates a post.
## Examples
iex> create_post(%{field: value})
{:ok, %Post{}}
iex> create_post(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_post(attrs \\ %{}) do
%Post{}
|> Post.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a post.
## Examples
iex> update_post(post, %{field: new_value})
{:ok, %Post{}}
iex> update_post(post, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_post(%Post{} = post, attrs) do
post
|> Post.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a post.
## Examples
iex> delete_post(post)
{:ok, %Post{}}
iex> delete_post(post)
{:error, %Ecto.Changeset{}}
"""
def delete_post(%Post{} = post) do
Repo.delete(post)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking post changes.
## Examples
iex> change_post(post)
%Ecto.Changeset{data: %Post{}}
"""
def change_post(%Post{} = post, attrs \\ %{}) do
Post.changeset(post, attrs)
end
end

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defmodule Demo.Blog.Post do
use Ecto.Schema
import Ecto.Changeset
schema "posts" do
field :body, :string
field :title, :string
timestamps()
end
@doc false
def changeset(post, attrs) do
post
|> cast(attrs, [:title, :body])
|> validate_required([:title, :body])
end
end

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defmodule Demo.Mailer do
use Swoosh.Mailer, otp_app: :demo
end

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defmodule Demo.Release do
@app :demo
def migrate do
load_app()
for repo <- repos() do
{:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
end
end
def rollback(repo, version) do
load_app()
{:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
end
defp repos do
Application.fetch_env!(@app, :ecto_repos)
end
defp load_app do
Application.load(@app)
end
end

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defmodule Demo.Repo do
use Ecto.Repo,
otp_app: :demo,
adapter: Ecto.Adapters.Postgres
end

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defmodule DemoWeb do
@moduledoc """
The entrypoint for defining your web interface, such
as controllers, views, channels and so on.
This can be used in your application as:
use DemoWeb, :controller
use DemoWeb, :view
The definitions below will be executed for every view,
controller, etc, so keep them short and clean, focused
on imports, uses and aliases.
Do NOT define functions inside the quoted expressions
below. Instead, define any helper function in modules
and import those modules here.
"""
def controller do
quote do
use Phoenix.Controller, namespace: DemoWeb
import Plug.Conn
import DemoWeb.Gettext
alias DemoWeb.Router.Helpers, as: Routes
end
end
def view do
quote do
use Phoenix.View,
root: "lib/demo_web/templates",
namespace: DemoWeb
# Import convenience functions from controllers
import Phoenix.Controller,
only: [get_flash: 1, get_flash: 2, view_module: 1, view_template: 1]
# Include shared imports and aliases for views
unquote(view_helpers())
end
end
def live_view do
quote do
use Phoenix.LiveView,
layout: {DemoWeb.LayoutView, "live.html"}
unquote(view_helpers())
end
end
def live_component do
quote do
use Phoenix.LiveComponent
unquote(view_helpers())
end
end
def component do
quote do
use Phoenix.Component
unquote(view_helpers())
end
end
def router do
quote do
use Phoenix.Router
import Plug.Conn
import Phoenix.Controller
import Phoenix.LiveView.Router
end
end
def channel do
quote do
use Phoenix.Channel
import DemoWeb.Gettext
end
end
defp view_helpers do
quote do
# Use all HTML functionality (forms, tags, etc)
use Phoenix.HTML
# Import LiveView and .heex helpers (live_render, live_patch, <.form>, etc)
import Phoenix.LiveView.Helpers
import DemoWeb.LiveHelpers
# Import basic rendering functionality (render, render_layout, etc)
import Phoenix.View
import DemoWeb.ErrorHelpers
import DemoWeb.Gettext
alias DemoWeb.Router.Helpers, as: Routes
end
end
@doc """
When used, dispatch to the appropriate controller/view/etc.
"""
defmacro __using__(which) when is_atom(which) do
apply(__MODULE__, which, [])
end
end

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defmodule DemoWeb.PageController do
use DemoWeb, :controller
def index(conn, _params) do
render(conn, "index.html")
end
end

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defmodule DemoWeb.PostController do
use DemoWeb, :controller
alias Demo.Blog
alias Demo.Blog.Post
def index(conn, _params) do
posts = Blog.list_posts()
render(conn, "index.html", posts: posts)
end
def new(conn, _params) do
changeset = Blog.change_post(%Post{})
render(conn, "new.html", changeset: changeset)
end
def create(conn, %{"post" => post_params}) do
case Blog.create_post(post_params) do
{:ok, post} ->
conn
|> put_flash(:info, "Post created successfully.")
|> redirect(to: Routes.post_path(conn, :show, post))
{:error, %Ecto.Changeset{} = changeset} ->
render(conn, "new.html", changeset: changeset)
end
end
def show(conn, %{"id" => id}) do
post = Blog.get_post!(id)
render(conn, "show.html", post: post)
end
def edit(conn, %{"id" => id}) do
post = Blog.get_post!(id)
changeset = Blog.change_post(post)
render(conn, "edit.html", post: post, changeset: changeset)
end
def update(conn, %{"id" => id, "post" => post_params}) do
post = Blog.get_post!(id)
case Blog.update_post(post, post_params) do
{:ok, post} ->
conn
|> put_flash(:info, "Post updated successfully.")
|> redirect(to: Routes.post_path(conn, :show, post))
{:error, %Ecto.Changeset{} = changeset} ->
render(conn, "edit.html", post: post, changeset: changeset)
end
end
def delete(conn, %{"id" => id}) do
post = Blog.get_post!(id)
{:ok, _post} = Blog.delete_post(post)
conn
|> put_flash(:info, "Post deleted successfully.")
|> redirect(to: Routes.post_path(conn, :index))
end
end

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defmodule DemoWeb.Endpoint do
use Phoenix.Endpoint, otp_app: :demo
# The session will be stored in the cookie and signed,
# this means its contents can be read but not tampered with.
# Set :encryption_salt if you would also like to encrypt it.
@session_options [
store: :cookie,
key: "_demo_key",
signing_salt: "0WtFu0g7"
]
socket "/live", Phoenix.LiveView.Socket, websocket: [connect_info: [session: @session_options]]
# Serve at "/" the static files from "priv/static" directory.
#
# You should set gzip to true if you are running phx.digest
# when deploying your static files in production.
plug Plug.Static,
at: "/",
from: :demo,
gzip: false,
only: ~w(assets fonts images favicon.ico robots.txt)
# Code reloading can be explicitly enabled under the
# :code_reloader configuration of your endpoint.
if code_reloading? do
socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
plug Phoenix.LiveReloader
plug Phoenix.CodeReloader
plug Phoenix.Ecto.CheckRepoStatus, otp_app: :demo
end
plug Phoenix.LiveDashboard.RequestLogger,
param_key: "request_logger",
cookie_key: "request_logger"
plug Plug.RequestId
plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
plug Plug.Parsers,
parsers: [:urlencoded, :multipart, :json],
pass: ["*/*"],
json_decoder: Phoenix.json_library()
plug Plug.MethodOverride
plug Plug.Head
plug Plug.Session, @session_options
plug DemoWeb.Router
end

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defmodule DemoWeb.Gettext do
@moduledoc """
A module providing Internationalization with a gettext-based API.
By using [Gettext](https://hexdocs.pm/gettext),
your module gains a set of macros for translations, for example:
import DemoWeb.Gettext
# Simple translation
gettext("Here is the string to translate")
# Plural translation
ngettext("Here is the string to translate",
"Here are the strings to translate",
3)
# Domain-based translation
dgettext("errors", "Here is the error message to translate")
See the [Gettext Docs](https://hexdocs.pm/gettext) for detailed usage.
"""
use Gettext, otp_app: :demo
end

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defmodule DemoWeb.LiveHelpers do
import Phoenix.LiveView
import Phoenix.LiveView.Helpers
alias Phoenix.LiveView.JS
@doc """
Renders a live component inside a modal.
The rendered modal receives a `:return_to` option to properly update
the URL when the modal is closed.
## Examples
<.modal return_to={Routes.user_index_path(@socket, :index)}>
<.live_component
module={DemoWeb.UserLive.FormComponent}
id={@user.id || :new}
title={@page_title}
action={@live_action}
return_to={Routes.user_index_path(@socket, :index)}
user: @user
/>
</.modal>
"""
def modal(assigns) do
assigns = assign_new(assigns, :return_to, fn -> nil end)
~H"""
<div id="modal" class="phx-modal fade-in" phx-remove={hide_modal()}>
<div
id="modal-content"
class="phx-modal-content fade-in-scale"
phx-click-away={JS.dispatch("click", to: "#close")}
phx-window-keydown={JS.dispatch("click", to: "#close")}
phx-key="escape"
>
<%= if @return_to do %>
<%= live_patch "",
to: @return_to,
id: "close",
class: "phx-modal-close",
phx_click: hide_modal()
%>
<% else %>
<a id="close" href="#" class="phx-modal-close" phx-click={hide_modal()}></a>
<% end %>
<%= render_slot(@inner_block) %>
</div>
</div>
"""
end
defp hide_modal(js \\ %JS{}) do
js
|> JS.hide(to: "#modal", transition: "fade-out")
|> JS.hide(to: "#modal-content", transition: "fade-out-scale")
end
end

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defmodule DemoWeb.UserLive.FormComponent do
use DemoWeb, :live_component
alias Demo.Accounts
@impl true
def update(%{user: user} = assigns, socket) do
changeset = Accounts.change_user(user)
{:ok,
socket
|> assign(assigns)
|> assign(:changeset, changeset)}
end
@impl true
def handle_event("validate", %{"user" => user_params}, socket) do
changeset =
socket.assigns.user
|> Accounts.change_user(user_params)
|> Map.put(:action, :validate)
{:noreply, assign(socket, :changeset, changeset)}
end
def handle_event("save", %{"user" => user_params}, socket) do
save_user(socket, socket.assigns.action, user_params)
end
defp save_user(socket, :edit, user_params) do
case Accounts.update_user(socket.assigns.user, user_params) do
{:ok, _user} ->
{:noreply,
socket
|> put_flash(:info, "User updated successfully")
|> push_redirect(to: socket.assigns.return_to)}
{:error, %Ecto.Changeset{} = changeset} ->
{:noreply, assign(socket, :changeset, changeset)}
end
end
defp save_user(socket, :new, user_params) do
case Accounts.create_user(user_params) do
{:ok, _user} ->
{:noreply,
socket
|> put_flash(:info, "User created successfully")
|> push_redirect(to: socket.assigns.return_to)}
{:error, %Ecto.Changeset{} = changeset} ->
{:noreply, assign(socket, changeset: changeset)}
end
end
end

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<div>
<h2><%= @title %></h2>
<.form
let={f}
for={@changeset}
id="user-form"
phx-target={@myself}
phx-change="validate"
phx-submit="save">
<%= label f, :name %>
<%= text_input f, :name %>
<%= error_tag f, :name %>
<div>
<%= submit "Save", phx_disable_with: "Saving..." %>
</div>
</.form>
</div>

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defmodule DemoWeb.UserLive.Index do
use DemoWeb, :live_view
alias Demo.Accounts
alias Demo.Accounts.User
@impl true
def mount(_params, _session, socket) do
{:ok, assign(socket, :users, list_users())}
end
@impl true
def handle_params(params, _url, socket) do
{:noreply, apply_action(socket, socket.assigns.live_action, params)}
end
defp apply_action(socket, :edit, %{"id" => id}) do
socket
|> assign(:page_title, "Edit User")
|> assign(:user, Accounts.get_user!(id))
end
defp apply_action(socket, :new, _params) do
socket
|> assign(:page_title, "New User")
|> assign(:user, %User{})
end
defp apply_action(socket, :index, _params) do
socket
|> assign(:page_title, "Listing Users")
|> assign(:user, nil)
end
@impl true
def handle_event("delete", %{"id" => id}, socket) do
user = Accounts.get_user!(id)
{:ok, _} = Accounts.delete_user(user)
{:noreply, assign(socket, :users, list_users())}
end
defp list_users do
Accounts.list_users()
end
end

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<h1>Listing Users</h1>
<%= if @live_action in [:new, :edit] do %>
<.modal return_to={Routes.user_index_path(@socket, :index)}>
<.live_component
module={DemoWeb.UserLive.FormComponent}
id={@user.id || :new}
title={@page_title}
action={@live_action}
user={@user}
return_to={Routes.user_index_path(@socket, :index)}
/>
</.modal>
<% end %>
<table>
<thead>
<tr>
<th>Name</th>
<th></th>
</tr>
</thead>
<tbody id="users">
<%= for user <- @users do %>
<tr id={"user-#{user.id}"}>
<td><%= user.name %></td>
<td>
<span><%= live_redirect "Show", to: Routes.user_show_path(@socket, :show, user) %></span>
<span><%= live_patch "Edit", to: Routes.user_index_path(@socket, :edit, user) %></span>
<span><%= link "Delete", to: "#", phx_click: "delete", phx_value_id: user.id, data: [confirm: "Are you sure?"] %></span>
</td>
</tr>
<% end %>
</tbody>
</table>
<span><%= live_patch "New User", to: Routes.user_index_path(@socket, :new) %></span>

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defmodule DemoWeb.UserLive.Show do
use DemoWeb, :live_view
alias Demo.Accounts
@impl true
def mount(_params, _session, socket) do
{:ok, socket}
end
@impl true
def handle_params(%{"id" => id}, _, socket) do
{:noreply,
socket
|> assign(:page_title, page_title(socket.assigns.live_action))
|> assign(:user, Accounts.get_user!(id))}
end
defp page_title(:show), do: "Show User"
defp page_title(:edit), do: "Edit User"
end

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<h1>Show User</h1>
<%= if @live_action in [:edit] do %>
<.modal return_to={Routes.user_show_path(@socket, :show, @user)}>
<.live_component
module={DemoWeb.UserLive.FormComponent}
id={@user.id}
title={@page_title}
action={@live_action}
user={@user}
return_to={Routes.user_show_path(@socket, :show, @user)}
/>
</.modal>
<% end %>
<ul>
<li>
<strong>Name:</strong>
<%= @user.name %>
</li>
</ul>
<span><%= live_patch "Edit", to: Routes.user_show_path(@socket, :edit, @user), class: "button" %></span> |
<span><%= live_redirect "Back", to: Routes.user_index_path(@socket, :index) %></span>

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defmodule DemoWeb.Router do
use DemoWeb, :router
pipeline :browser do
plug :accepts, ["html"]
plug :fetch_session
plug :fetch_live_flash
plug :put_root_layout, {DemoWeb.LayoutView, :root}
plug :protect_from_forgery
plug :put_secure_browser_headers
end
pipeline :api do
plug :accepts, ["json"]
end
scope "/", DemoWeb do
pipe_through :browser
get "/", PageController, :index
resources "/posts", PostController
live "/users", UserLive.Index, :index
live "/users/new", UserLive.Index, :new
live "/users/:id/edit", UserLive.Index, :edit
live "/users/:id", UserLive.Show, :show
live "/users/:id/show/edit", UserLive.Show, :edit
end
# Other scopes may use custom stacks.
# scope "/api", DemoWeb do
# pipe_through :api
# end
# Enables LiveDashboard only for development
#
# If you want to use the LiveDashboard in production, you should put
# it behind authentication and allow only admins to access it.
# If your application does not have an admins-only section yet,
# you can use Plug.BasicAuth to set up some basic authentication
# as long as you are also using SSL (which you should anyway).
if Mix.env() in [:dev, :test] do
import Phoenix.LiveDashboard.Router
scope "/" do
pipe_through :browser
live_dashboard "/dashboard", metrics: DemoWeb.Telemetry
end
end
# Enables the Swoosh mailbox preview in development.
#
# Note that preview only shows emails that were sent by the same
# node running the Phoenix server.
if Mix.env() == :dev do
scope "/dev" do
pipe_through :browser
forward "/mailbox", Plug.Swoosh.MailboxPreview
end
end
end

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defmodule DemoWeb.Telemetry do
use Supervisor
import Telemetry.Metrics
def start_link(arg) do
Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
end
@impl true
def init(_arg) do
children = [
# Telemetry poller will execute the given period measurements
# every 10_000ms. Learn more here: https://hexdocs.pm/telemetry_metrics
{:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
# Add reporters as children of your supervision tree.
# {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
]
Supervisor.init(children, strategy: :one_for_one)
end
def metrics do
[
# Phoenix Metrics
summary("phoenix.endpoint.stop.duration",
unit: {:native, :millisecond}
),
summary("phoenix.router_dispatch.stop.duration",
tags: [:route],
unit: {:native, :millisecond}
),
# Database Metrics
summary("demo.repo.query.total_time",
unit: {:native, :millisecond},
description: "The sum of the other measurements"
),
summary("demo.repo.query.decode_time",
unit: {:native, :millisecond},
description: "The time spent decoding the data received from the database"
),
summary("demo.repo.query.query_time",
unit: {:native, :millisecond},
description: "The time spent executing the query"
),
summary("demo.repo.query.queue_time",
unit: {:native, :millisecond},
description: "The time spent waiting for a database connection"
),
summary("demo.repo.query.idle_time",
unit: {:native, :millisecond},
description:
"The time the connection spent waiting before being checked out for the query"
),
# VM Metrics
summary("vm.memory.total", unit: {:byte, :kilobyte}),
summary("vm.total_run_queue_lengths.total"),
summary("vm.total_run_queue_lengths.cpu"),
summary("vm.total_run_queue_lengths.io")
]
end
defp periodic_measurements do
[
# A module, function and arguments to be invoked periodically.
# This function must call :telemetry.execute/3 and a metric must be added above.
# {DemoWeb, :count_users, []}
]
end
end

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<main class="container">
<p class="alert alert-info" role="alert"><%= get_flash(@conn, :info) %></p>
<p class="alert alert-danger" role="alert"><%= get_flash(@conn, :error) %></p>
<%= @inner_content %>
</main>

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<main class="container">
<p class="alert alert-info" role="alert"
phx-click="lv:clear-flash"
phx-value-key="info"><%= live_flash(@flash, :info) %></p>
<p class="alert alert-danger" role="alert"
phx-click="lv:clear-flash"
phx-value-key="error"><%= live_flash(@flash, :error) %></p>
<%= @inner_content %>
</main>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<%= csrf_meta_tag() %>
<%= live_title_tag assigns[:page_title] || "Demo", suffix: " · Phoenix Framework" %>
<link phx-track-static rel="stylesheet" href={Routes.static_path(@conn, "/assets/app.css")}/>
<script defer phx-track-static type="text/javascript" src={Routes.static_path(@conn, "/assets/app.js")}></script>
</head>
<body>
<header>
<section class="container">
<nav>
<ul>
<li><a href="https://hexdocs.pm/phoenix/overview.html">Get Started</a></li>
<%= if function_exported?(Routes, :live_dashboard_path, 2) do %>
<li><%= link "LiveDashboard", to: Routes.live_dashboard_path(@conn, :home) %></li>
<% end %>
</ul>
</nav>
<a href="https://phoenixframework.org/" class="phx-logo">
<img src={Routes.static_path(@conn, "/images/phoenix.png")} alt="Phoenix Framework Logo"/>
</a>
</section>
</header>
<%= @inner_content %>
</body>
</html>

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<section class="phx-hero">
<h1><%= gettext "Welcome to %{name}!", name: "Phoenix" %></h1>
<p>Peace of mind from prototype to production</p>
</section>
<section class="row">
<article class="column">
<h2>Resources</h2>
<ul>
<li>
<a href="https://hexdocs.pm/phoenix/overview.html">Guides &amp; Docs</a>
</li>
<li>
<a href="https://github.com/phoenixframework/phoenix">Source</a>
</li>
<li>
<a href="https://github.com/phoenixframework/phoenix/blob/v1.6/CHANGELOG.md">v1.6 Changelog</a>
</li>
</ul>
</article>
<article class="column">
<h2>Help</h2>
<ul>
<li>
<a href="https://elixirforum.com/c/phoenix-forum">Forum</a>
</li>
<li>
<a href="https://web.libera.chat/#elixir">#elixir on Libera Chat (IRC)</a>
</li>
<li>
<a href="https://twitter.com/elixirphoenix">Twitter @elixirphoenix</a>
</li>
<li>
<a href="https://elixir-slackin.herokuapp.com/">Elixir on Slack</a>
</li>
<li>
<a href="https://discord.gg/elixir">Elixir on Discord</a>
</li>
</ul>
</article>
</section>

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<h1>Edit Post</h1>
<%= render "form.html", Map.put(assigns, :action, Routes.post_path(@conn, :update, @post)) %>
<span><%= link "Back", to: Routes.post_path(@conn, :index) %></span>

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<.form let={f} for={@changeset} action={@action}>
<%= if @changeset.action do %>
<div class="alert alert-danger">
<p>Oops, something went wrong! Please check the errors below.</p>
</div>
<% end %>
<%= label f, :title %>
<%= text_input f, :title %>
<%= error_tag f, :title %>
<%= label f, :body %>
<%= textarea f, :body %>
<%= error_tag f, :body %>
<div>
<%= submit "Save" %>
</div>
</.form>

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<h1>Listing Posts</h1>
<table>
<thead>
<tr>
<th>Title</th>
<th>Body</th>
<th></th>
</tr>
</thead>
<tbody>
<%= for post <- @posts do %>
<tr>
<td><%= post.title %></td>
<td><%= post.body %></td>
<td>
<span><%= link "Show", to: Routes.post_path(@conn, :show, post) %></span>
<span><%= link "Edit", to: Routes.post_path(@conn, :edit, post) %></span>
<span><%= link "Delete", to: Routes.post_path(@conn, :delete, post), method: :delete, data: [confirm: "Are you sure?"] %></span>
</td>
</tr>
<% end %>
</tbody>
</table>
<span><%= link "New Post", to: Routes.post_path(@conn, :new) %></span>

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<h1>New Post</h1>
<%= render "form.html", Map.put(assigns, :action, Routes.post_path(@conn, :create)) %>
<span><%= link "Back", to: Routes.post_path(@conn, :index) %></span>

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<h1>Show Post</h1>
<ul>
<li>
<strong>Title:</strong>
<%= @post.title %>
</li>
<li>
<strong>Body:</strong>
<%= @post.body %>
</li>
</ul>
<span><%= link "Edit", to: Routes.post_path(@conn, :edit, @post) %></span> |
<span><%= link "Back", to: Routes.post_path(@conn, :index) %></span>

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defmodule DemoWeb.ErrorHelpers do
@moduledoc """
Conveniences for translating and building error messages.
"""
use Phoenix.HTML
@doc """
Generates tag for inlined form input errors.
"""
def error_tag(form, field) do
Enum.map(Keyword.get_values(form.errors, field), fn error ->
content_tag(:span, translate_error(error),
class: "invalid-feedback",
phx_feedback_for: input_name(form, field)
)
end)
end
@doc """
Translates an error message using gettext.
"""
def translate_error({msg, opts}) do
# When using gettext, we typically pass the strings we want
# to translate as a static argument:
#
# # Translate "is invalid" in the "errors" domain
# dgettext("errors", "is invalid")
#
# # Translate the number of files with plural rules
# dngettext("errors", "1 file", "%{count} files", count)
#
# Because the error messages we show in our forms and APIs
# are defined inside Ecto, we need to translate them dynamically.
# This requires us to call the Gettext module passing our gettext
# backend as first argument.
#
# Note we use the "errors" domain, which means translations
# should be written to the errors.po file. The :count option is
# set by Ecto and indicates we should also apply plural rules.
if count = opts[:count] do
Gettext.dngettext(DemoWeb.Gettext, "errors", msg, msg, count, opts)
else
Gettext.dgettext(DemoWeb.Gettext, "errors", msg, opts)
end
end
end

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defmodule DemoWeb.ErrorView do
use DemoWeb, :view
# If you want to customize a particular status code
# for a certain format, you may uncomment below.
# def render("500.html", _assigns) do
# "Internal Server Error"
# end
# By default, Phoenix returns the status message from
# the template name. For example, "404.html" becomes
# "Not Found".
def template_not_found(template, _assigns) do
Phoenix.Controller.status_message_from_template(template)
end
end

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defmodule DemoWeb.LayoutView do
use DemoWeb, :view
# Phoenix LiveDashboard is available only in development by default,
# so we instruct Elixir to not warn if the dashboard route is missing.
@compile {:no_warn_undefined, {Routes, :live_dashboard_path, 2}}
end

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defmodule DemoWeb.PageView do
use DemoWeb, :view
end

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defmodule DemoWeb.PostView do
use DemoWeb, :view
end

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defmodule Demo.MixProject do
use Mix.Project
def project do
[
app: :demo,
version: "0.1.0",
elixir: "~> 1.12",
elixirc_paths: elixirc_paths(Mix.env()),
compilers: [:gettext] ++ Mix.compilers(),
start_permanent: Mix.env() == :prod,
aliases: aliases(),
deps: deps()
]
end
# Configuration for the OTP application.
#
# Type `mix help compile.app` for more information.
def application do
[
mod: {Demo.Application, []},
extra_applications: [:logger, :runtime_tools]
]
end
# Specifies which paths to compile per environment.
defp elixirc_paths(:test), do: ["lib", "test/support"]
defp elixirc_paths(_), do: ["lib"]
# Specifies your project dependencies.
#
# Type `mix help deps` for examples and options.
defp deps do
[
{:phoenix, "~> 1.6.6"},
{:phoenix_ecto, "~> 4.4"},
{:ecto_sql, "~> 3.6"},
{:postgrex, ">= 0.0.0"},
{:phoenix_html, "~> 3.0"},
{:phoenix_live_reload, "~> 1.2", only: :dev},
{:phoenix_live_view, "~> 0.17.5"},
{:floki, ">= 0.30.0", only: :test},
{:phoenix_live_dashboard, "~> 0.6"},
{:esbuild, "~> 0.3", runtime: Mix.env() == :dev},
{:swoosh, "~> 1.3"},
{:telemetry_metrics, "~> 0.6"},
{:telemetry_poller, "~> 1.0"},
{:gettext, "~> 0.18"},
{:jason, "~> 1.2"},
{:plug_cowboy, "~> 2.5"},
{:opentelemetry_phoenix, "~> 1.0.0-rc.7"},
{:opentelemetry_ecto, "~> 1.0.0-rc.5"},
{:opentelemetry_exporter, "~> 1.0.0"}
]
end
# Aliases are shortcuts or tasks specific to the current project.
# For example, to install project dependencies and perform other setup tasks, run:
#
# $ mix setup
#
# See the documentation for `Mix` for more info on aliases.
defp aliases do
[
setup: ["deps.get", "ecto.setup"],
"ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
"ecto.reset": ["ecto.drop", "ecto.setup"],
test: ["ecto.create --quiet", "ecto.migrate --quiet", "test"],
"assets.deploy": ["esbuild default --minify", "phx.digest"]
]
end
end

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%{
"acceptor_pool": {:hex, :acceptor_pool, "1.0.0", "43c20d2acae35f0c2bcd64f9d2bde267e459f0f3fd23dab26485bf518c281b21", [:rebar3], [], "hexpm", "0cbcd83fdc8b9ad2eee2067ef8b91a14858a5883cb7cd800e6fcd5803e158788"},
"castore": {:hex, :castore, "0.1.14", "3f6d7c7c1574c402fef29559d3f1a7389ba3524bc6a090a5e9e6abc3af65dcca", [:mix], [], "hexpm", "b34af542eadb727e6c8b37fdf73e18b2e02eb483a4ea0b52fd500bc23f052b7b"},
"chatterbox": {:hex, :ts_chatterbox, "0.11.0", "b8f372c706023eb0de5bf2976764edb27c70fe67052c88c1f6a66b3a5626847f", [:rebar3], [{:hpack, "~>0.2.3", [hex: :hpack_erl, repo: "hexpm", optional: false]}], "hexpm", "722fe2bad52913ab7e87d849fc6370375f0c961ffb2f0b5e6d647c9170c382a6"},
"connection": {:hex, :connection, "1.1.0", "ff2a49c4b75b6fb3e674bfc5536451607270aac754ffd1bdfe175abe4a6d7a68", [:mix], [], "hexpm", "722c1eb0a418fbe91ba7bd59a47e28008a189d47e37e0e7bb85585a016b2869c"},
"cowboy": {:hex, :cowboy, "2.9.0", "865dd8b6607e14cf03282e10e934023a1bd8be6f6bacf921a7e2a96d800cd452", [:make, :rebar3], [{:cowlib, "2.11.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "2c729f934b4e1aa149aff882f57c6372c15399a20d54f65c8d67bef583021bde"},
"cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
"cowlib": {:hex, :cowlib, "2.11.0", "0b9ff9c346629256c42ebe1eeb769a83c6cb771a6ee5960bd110ab0b9b872063", [:make, :rebar3], [], "hexpm", "2b3e9da0b21c4565751a6d4901c20d1b4cc25cbb7fd50d91d2ab6dd287bc86a9"},
"ctx": {:hex, :ctx, "0.6.0", "8ff88b70e6400c4df90142e7f130625b82086077a45364a78d208ed3ed53c7fe", [:rebar3], [], "hexpm", "a14ed2d1b67723dbebbe423b28d7615eb0bdcba6ff28f2d1f1b0a7e1d4aa5fc2"},
"db_connection": {:hex, :db_connection, "2.4.1", "6411f6e23f1a8b68a82fa3a36366d4881f21f47fc79a9efb8c615e62050219da", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ea36d226ec5999781a9a8ad64e5d8c4454ecedc7a4d643e4832bf08efca01f00"},
"decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"},
"ecto": {:hex, :ecto, "3.7.1", "a20598862351b29f80f285b21ec5297da1181c0442687f9b8329f0445d228892", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d36e5b39fc479e654cffd4dbe1865d9716e4a9b6311faff799b6f90ab81b8638"},
"ecto_sql": {:hex, :ecto_sql, "3.7.1", "8de624ef50b2a8540252d8c60506379fbbc2707be1606853df371cf53df5d053", [:mix], [{:db_connection, "~> 2.2", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.7.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.4.0 or ~> 0.5.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "2b42a32e2ce92f64aba5c88617891ab3b0ba34f3f3a503fa20009eae1a401c81"},
"esbuild": {:hex, :esbuild, "0.4.0", "9f17db148aead4cf1e6e6a584214357287a93407b5fb51a031f122b61385d4c2", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "b61e4e6b92ffe45e4ee4755a22de6211a67c67987dc02afb35a425a0add1d447"},
"file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
"floki": {:hex, :floki, "0.32.0", "f915dc15258bc997d49be1f5ef7d3992f8834d6f5695270acad17b41f5bcc8e2", [:mix], [{:html_entities, "~> 0.5.0", [hex: :html_entities, repo: "hexpm", optional: false]}], "hexpm", "1c5a91cae1fd8931c26a4826b5e2372c284813904c8bacb468b5de39c7ececbd"},
"gettext": {:hex, :gettext, "0.19.0", "6909d61b38bb33339558f128f8af5913d5d5fe304a770217bf352b1620fb7ec4", [:mix], [], "hexpm", "3f7a274f52ebda9bb6655dfeda3d6b0dc4537ae51ce41dcccc7f73ca7379ad5e"},
"gproc": {:hex, :gproc, "0.8.0", "cea02c578589c61e5341fce149ea36ccef236cc2ecac8691fba408e7ea77ec2f", [:rebar3], [], "hexpm", "580adafa56463b75263ef5a5df4c86af321f68694e7786cb057fd805d1e2a7de"},
"grpcbox": {:hex, :grpcbox, "0.14.0", "3eb321bcd2275baf8b54cf381feb7b0559a50c02544de28fda039c7f2f9d1a7a", [:rebar3], [{:acceptor_pool, "~>1.0.0", [hex: :acceptor_pool, repo: "hexpm", optional: false]}, {:chatterbox, "~>0.11.0", [hex: :ts_chatterbox, repo: "hexpm", optional: false]}, {:ctx, "~>0.6.0", [hex: :ctx, repo: "hexpm", optional: false]}, {:gproc, "~>0.8.0", [hex: :gproc, repo: "hexpm", optional: false]}], "hexpm", "e24159b7b6d3f9869bbe528845c0125fed2259366ba908fd04a1f45fe81d0660"},
"hpack": {:hex, :hpack_erl, "0.2.3", "17670f83ff984ae6cd74b1c456edde906d27ff013740ee4d9efaa4f1bf999633", [:rebar3], [], "hexpm", "06f580167c4b8b8a6429040df36cc93bba6d571faeaec1b28816523379cbb23a"},
"html_entities": {:hex, :html_entities, "0.5.2", "9e47e70598da7de2a9ff6af8758399251db6dbb7eebe2b013f2bbd2515895c3c", [:mix], [], "hexpm", "c53ba390403485615623b9531e97696f076ed415e8d8058b1dbaa28181f4fdcc"},
"jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
"mime": {:hex, :mime, "2.0.2", "0b9e1a4c840eafb68d820b0e2158ef5c49385d17fb36855ac6e7e087d4b1dcc5", [:mix], [], "hexpm", "e6a3f76b4c277739e36c2e21a2c640778ba4c3846189d5ab19f97f126df5f9b7"},
"opentelemetry": {:hex, :opentelemetry, "1.0.0", "6e98f4a9230681b2e4c88d45783ce1c02d671ffc0b5ac0cba69a34a3f5ada8d8", [:rebar3], [{:opentelemetry_api, "~> 1.0.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "08d8697740f70594d05067cb62a0a8845ff568b2d47e1f8c78c46708ab58a74f"},
"opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0", "6e501f750ead189f35aed07eb8023fa6655fca12f913a196102f67db4ed5172c", [:mix, :rebar3], [], "hexpm", "ac51520bde21fdea7f82cea9236ce4e88a21281c22bc23b0f1fa3b28b4352fcf"},
"opentelemetry_ecto": {:hex, :opentelemetry_ecto, "1.0.0-rc.5", "b674ddc948fc1dd2fdc1e7fb0797c5d610d60ee5969a8424af36f582b8b0086c", [:mix], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "211fa6776abfb8be54bdd57206c99541c1955e6fe68eb5ee4611dc697240deed"},
"opentelemetry_exporter": {:hex, :opentelemetry_exporter, "1.0.0", "12fd928e72dec8108d40214a667e7a90026827d6268db678617c9e40ec3dc931", [:rebar3], [{:grpcbox, ">= 0.0.0", [hex: :grpcbox, repo: "hexpm", optional: false]}, {:opentelemetry, "~> 1.0", [hex: :opentelemetry, repo: "hexpm", optional: false]}, {:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:tls_certificate_check, "~> 1.11", [hex: :tls_certificate_check, repo: "hexpm", optional: false]}], "hexpm", "e2d2377abfb823cc99c1b68b4ce31df1ff1ce63e0c7bdbee7a7527e2d825168d"},
"opentelemetry_phoenix": {:hex, :opentelemetry_phoenix, "1.0.0-rc.7", "b8829206cbb1539cb8e516908570b92cba5d7d5fd57319fa823e71e385515e71", [:mix], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:opentelemetry_telemetry, "~> 1.0.0-beta.7", [hex: :opentelemetry_telemetry, repo: "hexpm", optional: false]}, {:plug, ">= 1.11.0", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "233a02e1f485ad106e8bbb8d9cefff64305bf2cff55a68c1d9bda3b54d0460c5"},
"opentelemetry_telemetry": {:hex, :opentelemetry_telemetry, "1.0.0-beta.7", "ba1df62515aed63f99a80ddf17e7a3873d1f686f23598edebf1633942772856e", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_registry, "~> 0.3.0", [hex: :telemetry_registry, repo: "hexpm", optional: false]}], "hexpm", "480f4fa1e992d597f931e7bc9e68478e8d904ad84489d2c5ca6eb6d48bbd7801"},
"phoenix": {:hex, :phoenix, "1.6.6", "281c8ce8dccc9f60607346b72cdfc597c3dde134dd9df28dff08282f0b751754", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 1.0", [hex: :phoenix_view, repo: "hexpm", optional: false]}, {:plug, "~> 1.10", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.2", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "807bd646e64cd9dc83db016199715faba72758e6db1de0707eef0a2da4924364"},
"phoenix_ecto": {:hex, :phoenix_ecto, "4.4.0", "0672ed4e4808b3fbed494dded89958e22fb882de47a97634c0b13e7b0b5f7720", [:mix], [{:ecto, "~> 3.3", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "09864e558ed31ee00bd48fcc1d4fc58ae9678c9e81649075431e69dbabb43cc1"},
"phoenix_html": {:hex, :phoenix_html, "3.2.0", "1c1219d4b6cb22ac72f12f73dc5fad6c7563104d083f711c3fcd8551a1f4ae11", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "36ec97ba56d25c0136ef1992c37957e4246b649d620958a1f9fa86165f8bc54f"},
"phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.6.2", "0769470265eb13af01b5001b29cb935f4710d6adaa1ffc18417a570a337a2f0f", [:mix], [{:ecto, "~> 3.6.2 or ~> 3.7", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_mysql_extras, "~> 0.3", [hex: :ecto_mysql_extras, repo: "hexpm", optional: true]}, {:ecto_psql_extras, "~> 0.7", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.17.1", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "5bc6c6b38a2ca8b5020b442322fcee6afd5e641637a0b1fb059d4bd89bc58e7b"},
"phoenix_live_reload": {:hex, :phoenix_live_reload, "1.3.3", "3a53772a6118d5679bf50fc1670505a290e32a1d195df9e069d8c53ab040c054", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.4", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm", "766796676e5f558dbae5d1bdb066849673e956005e3730dfd5affd7a6da4abac"},
"phoenix_live_view": {:hex, :phoenix_live_view, "0.17.5", "63f52a6f9f6983f04e424586ff897c016ecc5e4f8d1e2c22c2887af1c57215d8", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.5.9 or ~> 1.6.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.1", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "c5586e6a3d4df71b8214c769d4f5eb8ece2b4001711a7ca0f97323c36958b0e3"},
"phoenix_pubsub": {:hex, :phoenix_pubsub, "2.0.0", "a1ae76717bb168cdeb10ec9d92d1480fec99e3080f011402c0a2d68d47395ffb", [:mix], [], "hexpm", "c52d948c4f261577b9c6fa804be91884b381a7f8f18450c5045975435350f771"},
"phoenix_view": {:hex, :phoenix_view, "1.1.0", "149f053830ec3c19a2a8a67c208885a26e4c2b92cc4a9d54e03b633d68ef9add", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "dd219f768b3d97a224ed11e8a83f4fd0f3bd490434d3950d7c51a2e597a762f1"},
"plug": {:hex, :plug, "1.12.1", "645678c800601d8d9f27ad1aebba1fdb9ce5b2623ddb961a074da0b96c35187d", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d57e799a777bc20494b784966dc5fbda91eb4a09f571f76545b72a634ce0d30b"},
"plug_cowboy": {:hex, :plug_cowboy, "2.5.2", "62894ccd601cf9597e2c23911ff12798a8a18d237e9739f58a6b04e4988899fe", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "ea6e87f774c8608d60c8d34022a7d073bd7680a0a013f049fc62bf35efea1044"},
"plug_crypto": {:hex, :plug_crypto, "1.2.2", "05654514ac717ff3a1843204b424477d9e60c143406aa94daf2274fdd280794d", [:mix], [], "hexpm", "87631c7ad914a5a445f0a3809f99b079113ae4ed4b867348dd9eec288cecb6db"},
"postgrex": {:hex, :postgrex, "0.15.13", "7794e697481799aee8982688c261901de493eb64451feee6ea58207d7266d54a", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm", "3ffb76e1a97cfefe5c6a95632a27ffb67f28871c9741fb585f9d1c3cd2af70f1"},
"ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
"ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.6", "cf344f5692c82d2cd7554f5ec8fd961548d4fd09e7d22f5b62482e5aeaebd4b0", [:make, :mix, :rebar3], [], "hexpm", "bdb0d2471f453c88ff3908e7686f86f9be327d065cc1ec16fa4540197ea04680"},
"swoosh": {:hex, :swoosh, "1.5.2", "c246e0038367bf9ac3b66715151930a7215eb7427c242cc5206fc59fa344a7dc", [:mix], [{:cowboy, "~> 1.1 or ~> 2.4", [hex: :cowboy, repo: "hexpm", optional: true]}, {:finch, "~> 0.6", [hex: :finch, repo: "hexpm", optional: true]}, {:gen_smtp, "~> 0.13 or ~> 1.0", [hex: :gen_smtp, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mail, "~> 0.2", [hex: :mail, repo: "hexpm", optional: true]}, {:mime, "~> 1.1 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_cowboy, ">= 1.0.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "fc34b2c14afaa6e2cd92c829492536887a00ae625e404e40469926949b029605"},
"telemetry": {:hex, :telemetry, "1.0.0", "0f453a102cdf13d506b7c0ab158324c337c41f1cc7548f0bc0e130bbf0ae9452", [:rebar3], [], "hexpm", "73bc09fa59b4a0284efb4624335583c528e07ec9ae76aca96ea0673850aec57a"},
"telemetry_metrics": {:hex, :telemetry_metrics, "0.6.1", "315d9163a1d4660aedc3fee73f33f1d355dcc76c5c3ab3d59e76e3edf80eef1f", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7be9e0871c41732c233be71e4be11b96e56177bf15dde64a8ac9ce72ac9834c6"},
"telemetry_poller": {:hex, :telemetry_poller, "1.0.0", "db91bb424e07f2bb6e73926fcafbfcbcb295f0193e0a00e825e589a0a47e8453", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b3a24eafd66c3f42da30fc3ca7dda1e9d546c12250a2d60d7b81d264fbec4f6e"},
"telemetry_registry": {:hex, :telemetry_registry, "0.3.0", "6768f151ea53fc0fbca70dbff5b20a8d663ee4e0c0b2ae589590e08658e76f1e", [:mix, :rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "492e2adbc609f3e79ece7f29fec363a97a2c484ac78a83098535d6564781e917"},
"tls_certificate_check": {:hex, :tls_certificate_check, "1.11.0", "609dcd503f31170f0799dac380eb0e086388cf918fc769aaa60ddd6bbf575218", [:rebar3], [{:ssl_verify_fun, "1.1.6", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm", "4ab962212ef7c87482619cb298e1fe06e047b57f0bd58cc417b3b299eb8d036e"},
}

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receivers:
otlp:
protocols:
grpc:
http:
processors:
batch:
send_batch_size: 1024
timeout: 5s
exporters:
otlp:
# Uncomment below for using Honeycomb
# endpoint: "api.honeycomb.io:443"
# headers:
# "x-honeycomb-team": "<YOUR_ACCESS_TOKEN>"
# "x-honeycomb-dataset": "<YOUR_DATASET_NAME>"
# Uncomment below for using Lightstep
# endpoint: ingest.lightstep.com:443
# headers:
# "lightstep-access-token": "<YOUR_ACCESS_TOKEN>"
zipkin:
endpoint: "http://zipkin:9411/api/v2/spans"
jaeger:
endpoint: jaeger-all-in-one:14250
tls:
insecure: true
extensions:
zpages: {}
service:
extensions: [zpages]
pipelines:
traces:
receivers: [otlp]
processors: [batch]
exporters: [zipkin, jaeger]
# Add 'otlp' if you're exporting to Honeycomb
# or Lightstep
# exporters: [zipkin, jaeger, otlp]

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## `msgid`s in this file come from POT (.pot) files.
##
## Do not add, change, or remove `msgid`s manually here as
## they're tied to the ones in the corresponding POT file
## (with the same domain).
##
## Use `mix gettext.extract --merge` or `mix gettext.merge`
## to merge POT files into PO files.
msgid ""
msgstr ""
"Language: en\n"
## From Ecto.Changeset.cast/4
msgid "can't be blank"
msgstr ""
## From Ecto.Changeset.unique_constraint/3
msgid "has already been taken"
msgstr ""
## From Ecto.Changeset.put_change/3
msgid "is invalid"
msgstr ""
## From Ecto.Changeset.validate_acceptance/3
msgid "must be accepted"
msgstr ""
## From Ecto.Changeset.validate_format/3
msgid "has invalid format"
msgstr ""
## From Ecto.Changeset.validate_subset/3
msgid "has an invalid entry"
msgstr ""
## From Ecto.Changeset.validate_exclusion/3
msgid "is reserved"
msgstr ""
## From Ecto.Changeset.validate_confirmation/3
msgid "does not match confirmation"
msgstr ""
## From Ecto.Changeset.no_assoc_constraint/3
msgid "is still associated with this entry"
msgstr ""
msgid "are still associated with this entry"
msgstr ""
## From Ecto.Changeset.validate_length/3
msgid "should have %{count} item(s)"
msgid_plural "should have %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be %{count} character(s)"
msgid_plural "should be %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be %{count} byte(s)"
msgid_plural "should be %{count} byte(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should have at least %{count} item(s)"
msgid_plural "should have at least %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at least %{count} character(s)"
msgid_plural "should be at least %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at least %{count} byte(s)"
msgid_plural "should be at least %{count} byte(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should have at most %{count} item(s)"
msgid_plural "should have at most %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at most %{count} character(s)"
msgid_plural "should be at most %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at most %{count} byte(s)"
msgid_plural "should be at most %{count} byte(s)"
msgstr[0] ""
msgstr[1] ""
## From Ecto.Changeset.validate_number/3
msgid "must be less than %{number}"
msgstr ""
msgid "must be greater than %{number}"
msgstr ""
msgid "must be less than or equal to %{number}"
msgstr ""
msgid "must be greater than or equal to %{number}"
msgstr ""
msgid "must be equal to %{number}"
msgstr ""

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@ -0,0 +1,95 @@
## This is a PO Template file.
##
## `msgid`s here are often extracted from source code.
## Add new translations manually only if they're dynamic
## translations that can't be statically extracted.
##
## Run `mix gettext.extract` to bring this file up to
## date. Leave `msgstr`s empty as changing them here has no
## effect: edit them in PO (`.po`) files instead.
## From Ecto.Changeset.cast/4
msgid "can't be blank"
msgstr ""
## From Ecto.Changeset.unique_constraint/3
msgid "has already been taken"
msgstr ""
## From Ecto.Changeset.put_change/3
msgid "is invalid"
msgstr ""
## From Ecto.Changeset.validate_acceptance/3
msgid "must be accepted"
msgstr ""
## From Ecto.Changeset.validate_format/3
msgid "has invalid format"
msgstr ""
## From Ecto.Changeset.validate_subset/3
msgid "has an invalid entry"
msgstr ""
## From Ecto.Changeset.validate_exclusion/3
msgid "is reserved"
msgstr ""
## From Ecto.Changeset.validate_confirmation/3
msgid "does not match confirmation"
msgstr ""
## From Ecto.Changeset.no_assoc_constraint/3
msgid "is still associated with this entry"
msgstr ""
msgid "are still associated with this entry"
msgstr ""
## From Ecto.Changeset.validate_length/3
msgid "should be %{count} character(s)"
msgid_plural "should be %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should have %{count} item(s)"
msgid_plural "should have %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at least %{count} character(s)"
msgid_plural "should be at least %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should have at least %{count} item(s)"
msgid_plural "should have at least %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should be at most %{count} character(s)"
msgid_plural "should be at most %{count} character(s)"
msgstr[0] ""
msgstr[1] ""
msgid "should have at most %{count} item(s)"
msgid_plural "should have at most %{count} item(s)"
msgstr[0] ""
msgstr[1] ""
## From Ecto.Changeset.validate_number/3
msgid "must be less than %{number}"
msgstr ""
msgid "must be greater than %{number}"
msgstr ""
msgid "must be less than or equal to %{number}"
msgstr ""
msgid "must be greater than or equal to %{number}"
msgstr ""
msgid "must be equal to %{number}"
msgstr ""

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[
import_deps: [:ecto_sql],
inputs: ["*.exs"]
]

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defmodule Demo.Repo.Migrations.CreatePosts do
use Ecto.Migration
def change do
create table(:posts) do
add :title, :string
add :body, :text
timestamps()
end
end
end

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defmodule Demo.Repo.Migrations.CreateUsers do
use Ecto.Migration
def change do
create table(:users) do
add :name, :string
timestamps()
end
end
end

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# Script for populating the database. You can run it as:
#
# mix run priv/repo/seeds.exs
#
# Inside the script, you can read and write to any of your
# repositories directly:
#
# Demo.Repo.insert!(%Demo.SomeSchema{})
#
# We recommend using the bang functions (`insert!`, `update!`
# and so on) as they will fail if something goes wrong.

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# See https://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
#
# To ban all spiders from the entire site uncomment the next two lines:
# User-agent: *
# Disallow: /

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defmodule Demo.AccountsTest do
use Demo.DataCase
alias Demo.Accounts
describe "users" do
alias Demo.Accounts.User
import Demo.AccountsFixtures
@invalid_attrs %{name: nil}
test "list_users/0 returns all users" do
user = user_fixture()
assert Accounts.list_users() == [user]
end
test "get_user!/1 returns the user with given id" do
user = user_fixture()
assert Accounts.get_user!(user.id) == user
end
test "create_user/1 with valid data creates a user" do
valid_attrs = %{name: "some name"}
assert {:ok, %User{} = user} = Accounts.create_user(valid_attrs)
assert user.name == "some name"
end
test "create_user/1 with invalid data returns error changeset" do
assert {:error, %Ecto.Changeset{}} = Accounts.create_user(@invalid_attrs)
end
test "update_user/2 with valid data updates the user" do
user = user_fixture()
update_attrs = %{name: "some updated name"}
assert {:ok, %User{} = user} = Accounts.update_user(user, update_attrs)
assert user.name == "some updated name"
end
test "update_user/2 with invalid data returns error changeset" do
user = user_fixture()
assert {:error, %Ecto.Changeset{}} = Accounts.update_user(user, @invalid_attrs)
assert user == Accounts.get_user!(user.id)
end
test "delete_user/1 deletes the user" do
user = user_fixture()
assert {:ok, %User{}} = Accounts.delete_user(user)
assert_raise Ecto.NoResultsError, fn -> Accounts.get_user!(user.id) end
end
test "change_user/1 returns a user changeset" do
user = user_fixture()
assert %Ecto.Changeset{} = Accounts.change_user(user)
end
end
end

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defmodule Demo.BlogTest do
use Demo.DataCase
alias Demo.Blog
describe "posts" do
alias Demo.Blog.Post
import Demo.BlogFixtures
@invalid_attrs %{body: nil, title: nil}
test "list_posts/0 returns all posts" do
post = post_fixture()
assert Blog.list_posts() == [post]
end
test "get_post!/1 returns the post with given id" do
post = post_fixture()
assert Blog.get_post!(post.id) == post
end
test "create_post/1 with valid data creates a post" do
valid_attrs = %{body: "some body", title: "some title"}
assert {:ok, %Post{} = post} = Blog.create_post(valid_attrs)
assert post.body == "some body"
assert post.title == "some title"
end
test "create_post/1 with invalid data returns error changeset" do
assert {:error, %Ecto.Changeset{}} = Blog.create_post(@invalid_attrs)
end
test "update_post/2 with valid data updates the post" do
post = post_fixture()
update_attrs = %{body: "some updated body", title: "some updated title"}
assert {:ok, %Post{} = post} = Blog.update_post(post, update_attrs)
assert post.body == "some updated body"
assert post.title == "some updated title"
end
test "update_post/2 with invalid data returns error changeset" do
post = post_fixture()
assert {:error, %Ecto.Changeset{}} = Blog.update_post(post, @invalid_attrs)
assert post == Blog.get_post!(post.id)
end
test "delete_post/1 deletes the post" do
post = post_fixture()
assert {:ok, %Post{}} = Blog.delete_post(post)
assert_raise Ecto.NoResultsError, fn -> Blog.get_post!(post.id) end
end
test "change_post/1 returns a post changeset" do
post = post_fixture()
assert %Ecto.Changeset{} = Blog.change_post(post)
end
end
end

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defmodule DemoWeb.PageControllerTest do
use DemoWeb.ConnCase
test "GET /", %{conn: conn} do
conn = get(conn, "/")
assert html_response(conn, 200) =~ "Welcome to Phoenix!"
end
end

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defmodule DemoWeb.PostControllerTest do
use DemoWeb.ConnCase
import Demo.BlogFixtures
@create_attrs %{body: "some body", title: "some title"}
@update_attrs %{body: "some updated body", title: "some updated title"}
@invalid_attrs %{body: nil, title: nil}
describe "index" do
test "lists all posts", %{conn: conn} do
conn = get(conn, Routes.post_path(conn, :index))
assert html_response(conn, 200) =~ "Listing Posts"
end
end
describe "new post" do
test "renders form", %{conn: conn} do
conn = get(conn, Routes.post_path(conn, :new))
assert html_response(conn, 200) =~ "New Post"
end
end
describe "create post" do
test "redirects to show when data is valid", %{conn: conn} do
conn = post(conn, Routes.post_path(conn, :create), post: @create_attrs)
assert %{id: id} = redirected_params(conn)
assert redirected_to(conn) == Routes.post_path(conn, :show, id)
conn = get(conn, Routes.post_path(conn, :show, id))
assert html_response(conn, 200) =~ "Show Post"
end
test "renders errors when data is invalid", %{conn: conn} do
conn = post(conn, Routes.post_path(conn, :create), post: @invalid_attrs)
assert html_response(conn, 200) =~ "New Post"
end
end
describe "edit post" do
setup [:create_post]
test "renders form for editing chosen post", %{conn: conn, post: post} do
conn = get(conn, Routes.post_path(conn, :edit, post))
assert html_response(conn, 200) =~ "Edit Post"
end
end
describe "update post" do
setup [:create_post]
test "redirects when data is valid", %{conn: conn, post: post} do
conn = put(conn, Routes.post_path(conn, :update, post), post: @update_attrs)
assert redirected_to(conn) == Routes.post_path(conn, :show, post)
conn = get(conn, Routes.post_path(conn, :show, post))
assert html_response(conn, 200) =~ "some updated body"
end
test "renders errors when data is invalid", %{conn: conn, post: post} do
conn = put(conn, Routes.post_path(conn, :update, post), post: @invalid_attrs)
assert html_response(conn, 200) =~ "Edit Post"
end
end
describe "delete post" do
setup [:create_post]
test "deletes chosen post", %{conn: conn, post: post} do
conn = delete(conn, Routes.post_path(conn, :delete, post))
assert redirected_to(conn) == Routes.post_path(conn, :index)
assert_error_sent 404, fn ->
get(conn, Routes.post_path(conn, :show, post))
end
end
end
defp create_post(_) do
post = post_fixture()
%{post: post}
end
end

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defmodule DemoWeb.UserLiveTest do
use DemoWeb.ConnCase
import Phoenix.LiveViewTest
import Demo.AccountsFixtures
@create_attrs %{name: "some name"}
@update_attrs %{name: "some updated name"}
@invalid_attrs %{name: nil}
defp create_user(_) do
user = user_fixture()
%{user: user}
end
describe "Index" do
setup [:create_user]
test "lists all users", %{conn: conn, user: user} do
{:ok, _index_live, html} = live(conn, Routes.user_index_path(conn, :index))
assert html =~ "Listing Users"
assert html =~ user.name
end
test "saves new user", %{conn: conn} do
{:ok, index_live, _html} = live(conn, Routes.user_index_path(conn, :index))
assert index_live |> element("a", "New User") |> render_click() =~
"New User"
assert_patch(index_live, Routes.user_index_path(conn, :new))
assert index_live
|> form("#user-form", user: @invalid_attrs)
|> render_change() =~ "can&#39;t be blank"
{:ok, _, html} =
index_live
|> form("#user-form", user: @create_attrs)
|> render_submit()
|> follow_redirect(conn, Routes.user_index_path(conn, :index))
assert html =~ "User created successfully"
assert html =~ "some name"
end
test "updates user in listing", %{conn: conn, user: user} do
{:ok, index_live, _html} = live(conn, Routes.user_index_path(conn, :index))
assert index_live |> element("#user-#{user.id} a", "Edit") |> render_click() =~
"Edit User"
assert_patch(index_live, Routes.user_index_path(conn, :edit, user))
assert index_live
|> form("#user-form", user: @invalid_attrs)
|> render_change() =~ "can&#39;t be blank"
{:ok, _, html} =
index_live
|> form("#user-form", user: @update_attrs)
|> render_submit()
|> follow_redirect(conn, Routes.user_index_path(conn, :index))
assert html =~ "User updated successfully"
assert html =~ "some updated name"
end
test "deletes user in listing", %{conn: conn, user: user} do
{:ok, index_live, _html} = live(conn, Routes.user_index_path(conn, :index))
assert index_live |> element("#user-#{user.id} a", "Delete") |> render_click()
refute has_element?(index_live, "#user-#{user.id}")
end
end
describe "Show" do
setup [:create_user]
test "displays user", %{conn: conn, user: user} do
{:ok, _show_live, html} = live(conn, Routes.user_show_path(conn, :show, user))
assert html =~ "Show User"
assert html =~ user.name
end
test "updates user within modal", %{conn: conn, user: user} do
{:ok, show_live, _html} = live(conn, Routes.user_show_path(conn, :show, user))
assert show_live |> element("a", "Edit") |> render_click() =~
"Edit User"
assert_patch(show_live, Routes.user_show_path(conn, :edit, user))
assert show_live
|> form("#user-form", user: @invalid_attrs)
|> render_change() =~ "can&#39;t be blank"
{:ok, _, html} =
show_live
|> form("#user-form", user: @update_attrs)
|> render_submit()
|> follow_redirect(conn, Routes.user_show_path(conn, :show, user))
assert html =~ "User updated successfully"
assert html =~ "some updated name"
end
end
end

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defmodule DemoWeb.ErrorViewTest do
use DemoWeb.ConnCase, async: true
# Bring render/3 and render_to_string/3 for testing custom views
import Phoenix.View
test "renders 404.html" do
assert render_to_string(DemoWeb.ErrorView, "404.html", []) == "Not Found"
end
test "renders 500.html" do
assert render_to_string(DemoWeb.ErrorView, "500.html", []) == "Internal Server Error"
end
end

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defmodule DemoWeb.LayoutViewTest do
use DemoWeb.ConnCase, async: true
# When testing helpers, you may want to import Phoenix.HTML and
# use functions such as safe_to_string() to convert the helper
# result into an HTML string.
# import Phoenix.HTML
end

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defmodule DemoWeb.PageViewTest do
use DemoWeb.ConnCase, async: true
end

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defmodule DemoWeb.ChannelCase do
@moduledoc """
This module defines the test case to be used by
channel tests.
Such tests rely on `Phoenix.ChannelTest` and also
import other functionality to make it easier
to build common data structures and query the data layer.
Finally, if the test case interacts with the database,
we enable the SQL sandbox, so changes done to the database
are reverted at the end of every test. If you are using
PostgreSQL, you can even run database tests asynchronously
by setting `use DemoWeb.ChannelCase, async: true`, although
this option is not recommended for other databases.
"""
use ExUnit.CaseTemplate
using do
quote do
# Import conveniences for testing with channels
import Phoenix.ChannelTest
import DemoWeb.ChannelCase
# The default endpoint for testing
@endpoint DemoWeb.Endpoint
end
end
setup tags do
pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
:ok
end
end

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defmodule DemoWeb.ConnCase do
@moduledoc """
This module defines the test case to be used by
tests that require setting up a connection.
Such tests rely on `Phoenix.ConnTest` and also
import other functionality to make it easier
to build common data structures and query the data layer.
Finally, if the test case interacts with the database,
we enable the SQL sandbox, so changes done to the database
are reverted at the end of every test. If you are using
PostgreSQL, you can even run database tests asynchronously
by setting `use DemoWeb.ConnCase, async: true`, although
this option is not recommended for other databases.
"""
use ExUnit.CaseTemplate
using do
quote do
# Import conveniences for testing with connections
import Plug.Conn
import Phoenix.ConnTest
import DemoWeb.ConnCase
alias DemoWeb.Router.Helpers, as: Routes
# The default endpoint for testing
@endpoint DemoWeb.Endpoint
end
end
setup tags do
pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
{:ok, conn: Phoenix.ConnTest.build_conn()}
end
end

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defmodule Demo.DataCase do
@moduledoc """
This module defines the setup for tests requiring
access to the application's data layer.
You may define functions here to be used as helpers in
your tests.
Finally, if the test case interacts with the database,
we enable the SQL sandbox, so changes done to the database
are reverted at the end of every test. If you are using
PostgreSQL, you can even run database tests asynchronously
by setting `use Demo.DataCase, async: true`, although
this option is not recommended for other databases.
"""
use ExUnit.CaseTemplate
using do
quote do
alias Demo.Repo
import Ecto
import Ecto.Changeset
import Ecto.Query
import Demo.DataCase
end
end
setup tags do
pid = Ecto.Adapters.SQL.Sandbox.start_owner!(Demo.Repo, shared: not tags[:async])
on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
:ok
end
@doc """
A helper that transforms changeset errors into a map of messages.
assert {:error, changeset} = Accounts.create_user(%{password: "short"})
assert "password is too short" in errors_on(changeset).password
assert %{password: ["password is too short"]} = errors_on(changeset)
"""
def errors_on(changeset) do
Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
Regex.replace(~r"%{(\w+)}", message, fn _, key ->
opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
end)
end)
end
end

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defmodule Demo.AccountsFixtures do
@moduledoc """
This module defines test helpers for creating
entities via the `Demo.Accounts` context.
"""
@doc """
Generate a user.
"""
def user_fixture(attrs \\ %{}) do
{:ok, user} =
attrs
|> Enum.into(%{
name: "some name"
})
|> Demo.Accounts.create_user()
user
end
end

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defmodule Demo.BlogFixtures do
@moduledoc """
This module defines test helpers for creating
entities via the `Demo.Blog` context.
"""
@doc """
Generate a post.
"""
def post_fixture(attrs \\ %{}) do
{:ok, post} =
attrs
|> Enum.into(%{
body: "some body",
title: "some title"
})
|> Demo.Blog.create_post()
post
end
end

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ExUnit.start()
Ecto.Adapters.SQL.Sandbox.mode(Demo.Repo, :manual)