elixir.yml

name: Elixir CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  MIX_ENV: test
  # NOTE: make sure these versions match in Containerfile and .tool-versions
  ELIXIR_VERSION_SPEC: "1.15.6"
  OTP_VERSION_SPEC: "26.1.2"

jobs:
  compile:
    name: Compile
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Elixir
        uses: erlef/setup-beam@v1.16
        with:
          elixir-version: ${{ env.ELIXIR_VERSION_SPEC }}
          otp-version: ${{ env.OTP_VERSION_SPEC }}
      - name: Install dependencies
        run: mix deps.get
      - name: Compile dependencies
        run: mix deps.compile
      - name: Compile
        run: mix compile --warnings-as-errors

  test:
    name: Test
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres
        env:
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Elixir
        uses: erlef/setup-beam@v1.16
        with:
          elixir-version: ${{ env.ELIXIR_VERSION_SPEC }}
          otp-version: ${{ env.OTP_VERSION_SPEC }}
      - name: Install dependencies
        run: mix deps.get
      - name: Compile dependencies
        run: mix deps.compile
      - name: Setup database
        run: mix ecto.setup
      - name: Run tests
        run: mix coveralls

  check-formatted:
    name: Check Formatted
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Elixir
        uses: erlef/setup-beam@v1.16
        with:
          elixir-version: ${{ env.ELIXIR_VERSION_SPEC }}
          otp-version: ${{ env.OTP_VERSION_SPEC }}
      - name: Install dependencies
        run: mix deps.get
      - name: Compile dependencies
        run: mix deps.compile
      - name: Check formatted
        run: mix format --check-formatted

  credo:
    name: Credo
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Elixir
        uses: erlef/setup-beam@v1.16
        with:
          elixir-version: ${{ env.ELIXIR_VERSION_SPEC }}
          otp-version: ${{ env.OTP_VERSION_SPEC }}
      - name: Install dependencies
        run: mix deps.get
      - name: Compile dependencies
        run: mix deps.compile
      - name: Run credo
        run: mix credo --strict

  dialyzer:
    name: Dialyzer
    runs-on: ubuntu-latest

    env:
      MIX_ENV: dev

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set mix file hash
        id: set_vars
        run: |
          mix_hash="${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}"
          echo "::set-output name=mix_hash::$mix_hash"
      - name: Cache PLT files
        id: cache-plt
        uses: actions/cache@v3
        with:
          path: |
            _build/dev/*.plt
            _build/dev/*.plt.hash
          key: plt-cache-${{ steps.set_vars.outputs.mix_hash }}
          restore-keys: |
            plt-cache-
      - name: Set up Elixir
        uses: erlef/setup-beam@v1.16
        with:
          elixir-version: ${{ env.ELIXIR_VERSION_SPEC }}
          otp-version: ${{ env.OTP_VERSION_SPEC }}
      - name: Install dependencies
        run: mix deps.get
      - name: Compile dependencies
        run: mix deps.compile
      - name: Run dialyzer
        run: mix dialyzer