ci.yml

name: CI

on:
  push:
    branches: [ master ]
    paths-ignore:
      - '**/README.md'
      - '**/.github/images/**'
  pull_request:
    branches: [ master ]
    paths-ignore:
      - '**/README.md'
      - '**/.github/images/**'

jobs:
  # check our go files
  go-lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          stable: 'false'
          go-version: '1.18'
      - name: Lint
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.51.2

          golangci-lint run

  # check our dockerfiles
  dockerfile-lint:
    runs-on: ubuntu-latest
    steps:

      - uses: actions/checkout@v3

      - name: Lint Dockerfile
        uses: hadolint/hadolint-action@master
        with:
          dockerfile: "Dockerfile"

  # make sure our tests are passing
  test:
    strategy:
      matrix:
        go-version: [1.18.x, 1.19.x, 1.20.x]
        platform: [ubuntu-latest, macos-latest, windows-latest]

    runs-on: ${{ matrix.platform }}

    steps:

    - name: Install Go
      uses: actions/setup-go@v3
      with:
        go-version: ${{ matrix.go-version }}

    - name: Checkout code
      uses: actions/checkout@v3

    - name: Tidy
      run: go mod tidy

    - name: Test
      run: go test -v ./...

  # make sure go build works on various OS/Go versions
  build:
    strategy:
      matrix:
        go-version: [1.18.x, 1.19.x, 1.20.x]
        platform: [ubuntu-latest, macos-latest, windows-latest]

    runs-on: ${{ matrix.platform }}

    # only run this job if the "test" job has passed
    needs: [test]

    steps:
    - uses: actions/checkout@v3

    - name: Set up Go
      uses: actions/setup-go@v3
      with:
        go-version: '1.18'

    - name: Build
      run: go build -v ./...

  # build and push image to docker registries
  # (github packages & docker hub)
  docker-build-push-image:
    runs-on: ubuntu-latest
    # oonly build/push image if the build job passed
    needs: [build]

    # don't push on pull requests
    if: github.event_name != 'pull_request'

    permissions:
      contents: read
      packages: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Log in to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Log in to the Container registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v3
        with:
          flavor: |
            latest=true
          tags: |
            type=raw,enable=true,value=latest
          images: |
            hivacruz/moviestills
            ghcr.io/${{ github.repository }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      # Uploading the README.md is not a core feature of docker/build-push-action yet
      - name: push README to Dockerhub
        uses: christian-korneck/update-container-description-action@v1
        env:
          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASS: ${{ secrets.DOCKERHUB_PASS }}
        with:
          destination_container_repo: hivacruz/moviestills
          provider: dockerhub
          short_description: "Docker image for moviestills, a small CLI app to download movie snapshots."
          readme_file: 'README.md'