sweeneydavidj/phoenix-intro.md

## phoenix-intro.md

      
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    Phoenix Intro

Elixir Docs

https://elixir-lang.org/docs.html
6 core projects
Phoenix Docs

https://www.phoenixframework.org/
Create Phoenix App

Follow tutorial to create Phoenix hello application...
https://hexdocs.pm/phoenix/up_and_running.html#content
DB

pgAdmin4 desktop only

See this SO question for tips for installation...
https://stackoverflow.com/questions/58239607/pgadmin-package-pgadmin4-has-no-installation-candidate
Navigate to schema_migrations table
mix phx.gen.html

Follow tutorial to create new page etc...
https://hexdocs.pm/phoenix/Mix.Tasks.Phx.Gen.Html.html#content
Add record and check DB
Eyeball Phoenix files

/config/config.exs
/config/dev.exs
/lib/hello_web/endpoint.ex
/lib/hello_web/router.ex
/lib/hello_web/controllers/UserController.ex - show/2
mix phx.server
iex -S mix
iex -S mix phx.server
Inside show/2 add...
IO.inspect(user)
/lib/hello_web/templates/user/show.html.eex
Routes

mix phx.routes
A little deeper using IEX

alias Hello.Repo
alias Hello.Accounts.User
Repo.get!(User, id)
Unit tests

mix test