Programming Phoenix

April 23, 2023

Layers

connection
|> endpoint()
|> router()
|> pipelines()
|> controller()
  • Each request comes through an endpoint, then router, then pipelines, then the controller.
  • Plug is a strategy for building web apps and libraries
  • Business logic is in a context
  • Keep controllers clean and skinny

Stack

  • Erlang
  • Elixir
  • Phoenix
elixir -v
mix local.hex
psql --version

Getting Started

brew install postgresql@14
brew install --cask pgadmin4
brew services start postgresql@15
psql postgres

The psql postgres command may have done this

CREATE ROLE postgres WITH LOGIN PASSWORD 'postgres';
ALTER ROLE postgres CREATEDB;

mix phx.new hello
cd hello
mix ecto.create
mix phx.server