ci.yml

name: CI

on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master

jobs:
  setup:
    runs-on: ubuntu-latest
    env:
      MIX_ENV: test
      # The hostname used to communicate with the Redis service container
      REDIS_HOST: localhost
    services:
      redis:
        # Docker Hub image
        image: redis
        ports:
          - 6379:6379
        # Set health checks to wait until redis has started
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, ubuntu-20.04]
        elixir_version: [1.12.3, 1.13.3, 1.14.1]
        otp_version: [24, 25]
        exclude:
          - otp_version: 25
            elixir_version: 1.12.3
    steps:
      - uses: actions/checkout@v3

      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp_version}}
          elixir-version: ${{matrix.elixir_version}}

      - uses: actions/cache@v3
        with:
          path: |
            deps
            _build
          key: deps-${{ runner.os }}-${{ matrix.otp_version }}-${{ matrix.elixir_version }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            deps-${{ runner.os }}-${{ matrix.otp_version }}-${{ matrix.elixir_version }}

      - run: mix deps.get

      - run: mix format --check-formatted

      - run: mix deps.unlock --check-unused

      - run: mix deps.compile

      - run: mix compile --warnings-as-errors

      - run: mix credo --strict --format=oneline

      - run: mix test --warnings-as-errors --cover