ci.yml

name: CI

on:
  pull_request:
  push:
    branches: [main]
  release:
    types: [published]

jobs:
  lint:
    name: Lint
    if: ${{ github.event.head_commit.message != 'Initial commit' }}
    runs-on: ubuntu-latest
    steps:
      - name: Install Go
        uses: actions/setup-go@v3
        with:
          go-version: "1.18"

      - name: Checkout
        uses: actions/checkout@v3

      - name: Lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: v1.46

  test:
    name: Test
    if: ${{ github.event.head_commit.message != 'Initial commit' }}
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:14.4-alpine
        env:
          POSTGRES_USER: ${{ github.event.repository.name }}
          POSTGRES_PASSWORD: ${{ github.event.repository.name }}
          POSTGRES_DB: ${{ github.event.repository.name }}
        ports:
          - 5432/tcp
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    steps:
      - name: Install Go
        uses: actions/setup-go@v3
        with:
          go-version: "1.18"

      - name: Checkout
        uses: actions/checkout@v3

      - name: Restore Cache
        uses: actions/cache@v3
        with:
          # In order:
          # * Module download cache
          # * Build cache (Linux)
          # * Build cache (Mac)
          # * Build cache (Windows)
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
            ~/Library/Caches/go-build
            %LocalAppData%\go-build
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Test
        env:
          GO_TG_BOT_POSTGRES_DSN: postgres://${{ github.event.repository.name }}:${{ github.event.repository.name }}@localhost:${{ job.services.postgres.ports[5432] }}/${{ github.event.repository.name }}?sslmode=disable
        run: go test -v -race -covermode=atomic -coverprofile=coverage.txt ./...

      - name: Upload coverage
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos

  build_and_push:
    name: Build and Push
    runs-on: ubuntu-latest
    needs: [test, lint]
    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
    permissions:
      packages: write
      contents: read
      deployments: write
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Calculate build args
        id: build_info
        run: |
          echo ::set-output name=ref::$(git rev-parse --short "$GITHUB_SHA")
          echo ::set-output name=version::${GITHUB_REF##*/}
          echo ::set-output name=time::$(date --utc +%FT%TZ)

      - name: Build and Push
        id: build_and_push
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:dev
          build-args: |
            BUILD_VERSION=${{ steps.build_info.outputs.version }}
            BUILD_REF=${{ steps.build_info.outputs.ref }}
            BUILD_TIME=${{ steps.build_info.outputs.time }}

          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new

      # Temp fix @todo
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Image digest
        run: echo ${{ steps.build_and_push.outputs.digest }}