elixir-ms

• elixir microservice base 🐜⚡
• microservice skeleton from scratch aka "You dont need Phoenix"

Ingredients ⭐

• credo for linting
• dialyxir static analysis
• strong http server basis using plug + cowboy
• fast json encode/decode using poison
• http client using httpoison
• metrics using prometheus_ex
• healthchecks + config setup using mix tools
• (json) access log provided as Plug
• ELK compliant logger with simple API
• registry (in-memory cache) with simple API
• redis client using redix (pub-sub)
• JIT Config via weave
• RDBMS ORM via ecto and postgrex
• MIT License

TODO (coming up)

• (asciify) banner
• uuid v4 generation
• cassandra client to GenServer
• httppoison wrapper similar to request.js
• ecto migrations
• example for tests
• custom dockerfile base on alpine (no deps)

Requirements

• Erlang/OTP >= 19.3
• Elixir >= 1.4.1

Installation

• install Erlang
• install Elixir
• install Mix
• http://elixir-lang.org/install.html#unix-and-unix-like
• git clone git@github.com:krystianity/elixir-ms.git
• run mix deps.get or ./tools/get-dependencies.sh
• start via mix start
• (if you want to run this as is, you need a local postgres (see Other below) and a redis, otherwise you have to make adjustments to lib/demo.ex and mix.exs)

Use as docker container via docker-compose

build + run via docker-compose up --build

Testing

run mix test

License

MIT

Other

Database Setup

• (requires a local postgres, with a user named "postgres" and a password "postgres" checkout config/config.exs to change these credentials
• mix ecto.create
• mix ecto.migrate

Other Database Stuff

• mix ecto.gen.migration add_test_table -r ExTest.Repos.Test
• mix ecto.rollback
• docker run -it --rm --link postgres:postgres postgres:9.3 psql -h postgres -U postgres ex_test