Undefined function worker/2

Questions & Help Questions
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3

Thanks a lot for your help!

I did manage to connect to mongodb database

defmodule ContentProxy.Application do
  # See https://hexdocs.pm/elixir/Application.html
  # for more information on OTP Applications
  @moduledoc false

  use Application

  def start(_type, _args) do
    # List all child processes to be supervised
    database_config = Application.get_env(:content_proxy, :db)

    children = [
      ContentProxyWeb.Endpoint,
      %{
        id: Mongo,
        start: { Mongo, :start_link, [[name: :mongo, database: "admin", seeds: ["mongodb:27017"]]] }
      }
    ]

    # See https://hexdocs.pm/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: ContentProxy.Supervisor]
    Supervisor.start_link(children, opts)
  end

  # Tell Phoenix to update the endpoint configuration
  # whenever the application is updated.
  def config_change(changed, _new, removed) do
    ContentProxyWeb.Endpoint.config_change(changed, removed)
    :ok
  end
end

This kind of information should be right in phx.new project generator to avoid mistakes like my