brew update
brew upgrade elixir
elixir --version
mix local.hex
brew upgrade postgres
pg_ctl init -D writable_data_folder
pg_ctl -D writable_data_folder start
postgres --version
psql template1
template1=# create role phoenix with createdb login password 'phoenix';
brew upgrade node
node --version
mix archive
mix archive.uninstall phoenix_new
mix archive.install https://github.com/phoenixframework/archives/raw/master/phoenix_new.ez
mix phoenix.new project_name_and_folder
cd project_name_and_folder
mix ecto.create
mix phoenix.server
or iex -S mix phoenix.server
mix ecto.gen.migration name