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 :opentelemetry_cowboy.setup() OpentelemetryPhoenix.setup(adapter: :cowboy2) 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