An overview of Plug, Phoenix, and how they work together.

1. Phoenix and the
Plug-life

2. What is Phoenix?

3. A productive, reliable,
and fast web framework

4. What is Plug?

5. A specification for
composable modules in
between web applications
Also, connection adapters for
different web servers in the
Erlang VM

6. Plugs can be
• any function that accepts a connection
and options and returns the connection
• any module that implements `init` and
`call`
• any module that `use`s Plug.Builder

7. “Hello, world” - Plug
Plug.Adapters.Cowboy.http(Pl, [])

8. Conn
• Request and response rolled together
• Just a struct at the end of the day
• direct interface to the underlying web
server
• assigns is how you pass information from
one plug to a future plug

9. Plug Routing
Plug.Adapters.Cowboy.http(Pl.Router, [])

10. Pipelines

11. “Hello, world” -Phoenix

12. Phoenix Routing

13. Phoenix Controllers

14. Controllers are just Plugs

15. Phoenix Template

16. Resources
• http://www.phoenixframework.org/v0.13.1/doc
• http://hexdocs.pm/phoenix/
• https://github.com/elixir-lang/plug
• http://hexdocs.pm/plug/

17. devmynd.com
github: crismali
twitter: @MichaelCrismali
email: michael@devmynd.com
michael@devmynd.com
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