docker-compose build
docker-compose run --rm phoenix mix phx.new . --app ivan
edit src/config/dev.exs
docker-compose run --rm phoenix mix ecto.create
docker-compose run --rm phoenix mix ecto.migrate
docker-compose up -d
docker exec -it how-to-elixir-phoenix_phoenix_1 bash
docker-compose run --rm phoenix mix phx.gen.html Pokemons Pokemon pokemons name:string type:string
docker-compose run --rm phoenix mix ecto.migrate
https://medium.com/swlh/use-docker-to-create-an-elixir-phoenix-development-environment-e1a81def1d2e
https://pamit.medium.com/building-a-restful-backend-with-elixir-phoenix-84fe390975c