name: Docker

on:
  schedule:
    - cron: "0 12 * * *"
  push:
  pull_request:

env:
  GPG_KEY_FINGERPRINT: "838460D0CBD26750AB26DF8FB9FB68F98F88BA47"

jobs:
  # Run tests.
  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: true

      # Only allow commits signed by owner
      - name: Verify commit signature
        run: |
          verify_head() {
            ( git verify-commit --raw HEAD || git verify-tag --raw $(git tag --points-at HEAD) ) 2>&1 \
              | grep -e VALIDSIG | grep -q "$1"
          }

          if verify_head "$GPG_KEY_FINGERPRINT"; then
            echo "Verified signature from $GPG_KEY_FINGERPRINT"
          else
            echo "Missing signature by $GPG_KEY_FINGERPRINT"
            exit 1
          fi

      - name: Run tests
        run: tests/run

  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  push:
    # Ensure test job passes before pushing image.
    needs: test

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: Build and push Docker images
        uses: docker/build-push-action@v1.1.0
        with:
          # Username used to log in to a Docker registry. If not set then no login will occur
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          # Password or personal access token used to log in to a Docker registry. If not set then no login will occur
          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
          # Server address of Docker registry. If not set then will default to Docker Hub
          #registry: # optional
          # Docker repository to tag the image with
          repository: atmoz/sftp
          # Comma-delimited list of tags. These will be added to the registry/repository to form the image's tags
          #tags: # optional
          # Automatically tags the built image with the git reference as per the readme
          tag_with_ref: true # optional
          # Automatically tags the built image with the git short SHA as per the readme
          tag_with_sha: false # optional
          # Path to the build context
          #path: # optional, default is .
          # Path to the Dockerfile (Default is '{path}/Dockerfile')
          #dockerfile: # optional
          # Sets the target stage to build
          #target: # optional
          # Always attempt to pull a newer version of the image
          always_pull: true # optional
          # Comma-delimited list of build-time variables
          #build_args: # optional
          # Comma-delimited list of images to consider as cache sources
          #cache_froms: # optional
          # Comma-delimited list of labels to add to the built image
          #labels: # optional
          # Adds labels with git repository information to the built image
          add_git_labels: true # optional
          # Whether to push the image
          #push: # optional, default is true