Elixir Phoenix Note

elixir-phoenix-note.md

Elixir = Ruby + Erlang + Clojure

Ruby: Developer Happiness Erlang: OTP Powerful Clojure: One of the best designed language. Elixir: Programmer focused, functional but pragmatic, standard toolset

Elixir Design priniciples

1. Phoenix is not our application. Phoenix 1.3 is just web interface.
2. Embrace state outside of the database. process holding state. OK to have stateful server
3. If it's concurrent, extract it into an OTP application.
4. (Don't just) Let it crush

Zen of Erkabg

core feature repeatable transient

Ease of finding bugs in production	Repeatable	Transient
core feature	EASY	HARD
secondary feature	EASY, OFTEN, OVERLOOKED	HARD

Bugs that happend in production	Repeatable	Transient
core feature	Should Never	All th time
secondary feature	Pretty Often	All the time

Bugs handled by restarts	Repeatable	Transient
core feature	No	Yes
secondary feature	Depends	Yes