Elixir & OTP: Microservices Without Pain

Elixir is a complete modernization of the robust language and ecosystem of Erlang. We’ll learn the basics of Elixir syntax and tooling, deep dive into the actor model and how processes communicate, and build the beginnings of a microservices architecture.

Transcript

1. Elixir & OTP Microservices Without Pain @justincampbell
2. Elixir & OTP Sitting in a tree
3. Building $#!+ that doesn't break
4. Elixir: Erlang that doesn't suck
5. "Microservices"
6. Elixir ~ Erlang
7. Elixir 4 Tools 4 Modules 4 Functions 4 Pattern-Matching
8. Fibonacci Sequence 0 1 1 2 3 5 8 13 21 34 55
9. Processes
10. OTP Open Telecom Platform
11. OTP 4 Erlang 4 protocol for communication between nodes 4 request broker 4 Dialyzer (static analysis) 4 Mnesia (distributed database server) 4 standard lib
12. GenServer handle_call(message, {from, ref}, state) handle_cast(message, state) {:reply, reply, state} {:reply, reply, state, timeout} {:reply, reply, state, :hibernate} {:noreply, state} {:noreply, state, timeout} {:noreply, state, :hibernate} {:stop, reason, reply, state} {:stop, reason, state}
13. GenServer GenServer.start_link -> init GenServer.call -> handle_call GenServer.cast -> handle_cast
14. Spyfall or something
15. Services Decision 4 Start with a monolith, move to microservices as needed. 4 Start with a monolith, stay as a monolith. 4 Start with microservices. snowsuit.io/issue07.html
17. Resources 4 elixir-lang.org 4 phoenixframework.org 4 howistart.org/posts/elixir 4 learnyousomeerlang.com 4 elixirsips.com 4 phoenixscreencasts.org