$ mix help
iex -S mix
$ mix phx.new pxblog
$ mix ecto.create
$ mix ecto.gen.migration create_foo_table
$ mix ecto.migrate
$ mix do ecto.create, ecto.migrate
$ mix phx.server
$ mix phoenix.gen.html Post posts title:string body:string
$ mix phoenix.gen.model Post posts title:string body:string
$ mix phoenix.routes
$ mix deps.get
$ mix compile
$ mix phoenix.gen.model Post title:string body:string
$ mix test
$ mix test test/controllers/user_controller_test.exs
$ mix test test/controllers/user_controller_test.exs:52