publish.yaml

name: publish
on:
  push:
    branches:
      - 'master'
      - 'main'
    tags:
      - 'v*'
jobs:
  image:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Import environment variables from file
        run: cat ".github/env" >> $GITHUB_ENV

      - name: Login to image registry
        uses: docker/login-action@v2
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_PASSWORD }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

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

      - name: Cache for Docker's buildx
        uses: actions/cache@v3
        with:
          path: .buildxcache/
          key: ${{ runner.os }}-buildx-${{ hashFiles('**/*.go', 'Dockerfile', 'go.sum') }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Snapshot container buid & push
        run: make conditional-container-build-push

      - name: Check semver tag
        id: check-semver-tag
        # The regex below comes from https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string.
        run: |
          if [[ ${{ github.event.ref }} =~ ^refs/tags/v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$ ]]; then
              echo ::set-output name=match::true
          fi
      - name: Release container build & push
        if: steps.check-semver-tag.outputs.match == 'true'
        run: make container-release-build-push