intro-to-mltp/.github/workflows/publish-and-deploy-images.yaml at 6dda8607ce8d149b530b05f9ba24c85a3100f278 · grafana/intro-to-mltp · GitHub

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name: "Build and publish mythical images"
on:
    push:
        branches:
            - 'main'
        paths:
            - source/**

    pull_request:
      types: [opened, synchronize]
      paths:
          - source/**
jobs:
    build_and_push_images:
        runs-on: ubuntu-latest
        permissions:
            contents: read
            packages: write
        env:
            REGISTRY_LOCATION: ghcr.io/grafana/intro-to-mltp

        strategy:
            fail-fast: false
            matrix:
                file_tag:
                    - file: source/docker/Dockerfile
                      tag_suffix: mythical-beasts-requester
                      context: source
                      service: mythical-beasts-requester
                      setup-qemu: true
                    - file: source/docker/Dockerfile
                      tag_suffix: mythical-beasts-server
                      context: source
                      service: mythical-beasts-server
                      setup-qemu: true
                    - file: source/docker/Dockerfile
                      tag_suffix: mythical-beasts-recorder
                      context: source
                      service: mythical-beasts-recorder
                      setup-qemu: true
                    - file: source/mythical-beasts-frontend/Dockerfile
                      tag_suffix: mythical-beasts-frontend
                      context: source/mythical-beasts-frontend
                      service: mythical-beasts-frontend
                      setup-qemu: true

        steps:
            - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
              with:
                  fetch-depth: 0
                  persist-credentials: false

            - name: DetermineReference
              id: get_reference
              run: |
                if [ -z "$GITHUB_HEAD_REF" ]; then
                  echo "ref=$GITHUB_REF" >> "$GITHUB_OUTPUT"
                else
                  echo "ref=$GITHUB_HEAD_REF" >> "$GITHUB_OUTPUT"
                fi

            - name: Determine image_tag to use
              id: image_tag
              run: |
                SHA=$(git rev-parse --short HEAD)
                BRANCH=$(git rev-parse --abbrev-ref HEAD | tr '/' '__')
                REF_TAG=${{ steps.get_reference.outputs.ref }}

                echo "SHA: $SHA"
                echo "Branch: $BRANCH"
                echo "Ref tag: $REF_TAG"

                if [[ $REF_TAG =~ refs\/(heads|tags)\/ ]]; then
                    REF_TAG=$(echo $REF_TAG | cut -d "/" -f 3)
                    echo "Shortened ref tag is $REF_TAG"
                fi

                REF_TAG=$(echo -n "$REF_TAG" | tr -c '[:alnum:]._' '-')
                echo "version=$REF_TAG" >> "$GITHUB_OUTPUT"
                echo "Using version tag $REF_TAG"

                # Finally check to see if we're building on main; if we are, add a tag for latest.
                if [ "$BRANCH" == "main" ]; then
                    echo "latest_tag=${{env.REGISTRY_LOCATION}}:${{matrix.file_tag.tag_suffix}}-latest" >> "$GITHUB_OUTPUT"
                fi

            - name: Set up QEMU
              if: ${{ matrix.file_tag.setup-qemu }}
              uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392
              with:
                image: tonistiigi/binfmt:master

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2
              with:
                  config-inline: |
                    [worker.oci]
                    max-parallelism = 2

            - name: Login to GitHub Container Registry
              uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772
              with:
                registry: ghcr.io
                username: ${{ github.actor }}
                password: ${{ secrets.GITHUB_TOKEN }}

            - name: Matrix Build and push Mythical images
              uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1
              with:
                context: ${{ matrix.file_tag.context }}
                file: ${{ matrix.file_tag.file }}
                build-args: |
                  SERVICE=${{ matrix.file_tag.service }}
                platforms: linux/amd64,linux/arm64
                # Only push to the registry on pushes to main; pull request runs build only to validate.
                push: ${{ github.event_name == 'push' }}
                tags: |
                  ${{ env.REGISTRY_LOCATION }}:${{ matrix.file_tag.tag_suffix }}-${{ steps.image_tag.outputs.version }}
                  ${{ steps.image_tag.outputs.latest_tag }}