containers.build.yaml

name: "Containers: Test-and-Build"

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "apps/**"
      - "dev/**"
      - "base/**"
      - ".github/workflows/containers.build.yaml"
  pull_request:
    paths:
      - "apps/**"
      - "dev/**"
      - "base/**"
      - ".github/workflows/containers.build.yaml"

# Detect which folders in project-root (which contain the containers) contain changes
jobs:
  changes:
    name: Get changes
    runs-on: ubuntu-latest
    outputs:
      matrix: '{"container": ${{ env.containers }} }'
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          list-files: json
          filters: |
            changed:
            - 'apps/**'
            - 'dev/**'
            - 'base/**'
      - run: echo '${{ toJson(steps.filter.outputs) }}' > changes.json
      - id: reduce
        run: |
          CONTAINERS=$(jq --raw-output '.changed_files | fromjson | .[] |= sub("(?<filepath>(?<first_directory>(?<root1>[/]?)[^/]+/)(?<second_directory>(?<root2>[/]?)[^/]+)(?<extra_paths>.+))"; "\(.second_directory)") | unique' changes.json)
          echo "containers<<EOF" >> $GITHUB_ENV
          echo "${CONTAINERS}" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

  hadolint:
    name: Run hadolint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
      - name: hadolint
        uses: reviewdog/action-hadolint@2d90b15b2b969e507fc2a31af6e29ca19a0f9516 # v1.45.0
        if: github.event_name == 'pull_request'
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          reporter: github-pr-review
          filter_mode: diff_context
          fail_on_error: true

  build:
    permissions:
      actions: read # for detecting the Github Actions environment.
      packages: write # for uploading attestations.
    name: Build
    runs-on: ubuntu-latest
    needs:
      - hadolint
      - changes
    strategy:
      matrix: ${{ fromJson(needs.changes.outputs.matrix) }}
      fail-fast: false
    if: "!contains(github.event.head_commit.message, '[ci-skip]') && needs.changes.outputs.matrix != '' && toJson(fromJson(needs.changes.outputs.matrix)) != '[]'"
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      # Define if tests and push should be run against which versions/platforms
      - name: Prepare
        id: prep
        run: |
          if test -f "./apps/${{ matrix.container }}/Dockerfile"; then
            CATEGORY="apps"
            VERSION=$(cat ./${CATEGORY}/${{ matrix.container }}/VERSION || echo "undef")
            PLATFORM=$(cat ./${CATEGORY}/${{ matrix.container }}/PLATFORM || echo "linux/amd64")
          fi
          echo "category=${CATEGORY}" >> $GITHUB_OUTPUT
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "platform=${PLATFORM}" >> $GITHUB_OUTPUT
          if test -f "./${CATEGORY}/${{ matrix.container }}/goss.yaml"; then
            echo 'goss=true' >> $GITHUB_OUTPUT
          else
            echo 'goss=false' >> $GITHUB_OUTPUT
          fi
          if [ "${{github.event_name}}" == "pull_request" ]; then
            echo 'push=false' >> $GITHUB_OUTPUT
            echo 'cache_from="type=registry,ref=ghcr.io/${{ github.repository_owner }}/${{ matrix.container }}:buildcache"' >> $GITHUB_OUTPUT || echo 'cache_from=""' >> $GITHUB_OUTPUT
            echo 'cache_to=""' >> $GITHUB_OUTPUT
          else
            echo 'push=true' >> $GITHUB_OUTPUT
            echo 'cache_from="type=registry,ref=ghcr.io/${{ github.repository_owner }}/${{ matrix.container }}:buildcache"' >> $GITHUB_OUTPUT
            echo 'cache_to="type=registry,ref=ghcr.io/${{ github.repository_owner }}/${{ matrix.container }}:buildcache,mode=max"' >> $GITHUB_OUTPUT
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3

      - name: Log into registry GHCR
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3
        if: github.event_name != 'pull_request'
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@359e915ab3220d88514ed693793a5cc795192aa6 # v5
        with:
          images: |
            ghcr.io/${{ github.repository_owner }}/${{ matrix.container }}

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3
        with:
          install: true
          version: latest
          driver-opts: image=moby/buildkit:latest

      # Push if not a PR, otherwise just test the build process for all requested platforms
      - name: Build and Push
        id: push
        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6
        with:
          build-args: |
            VERSION=${{ steps.prep.outputs.version }}
            CONTAINER_NAME=${{ matrix.container }}
            CONTAINER_VER=${{ steps.prep.outputs.version }}
          context: .
          platforms: ${{ steps.prep.outputs.platform }}
          file: ./${{ steps.prep.outputs.category }}/${{ matrix.container }}/Dockerfile
          push: ${{ steps.prep.outputs.push }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: ${{ steps.prep.outputs.cache_from }}
          cache-to: ${{ steps.prep.outputs.cache_to }}
          tags: ${{ steps.meta.outputs.tags }}

  container-build-complete:
    needs: [build]
    name: Container Build Completed
    runs-on: ubuntu-latest
    steps:
      - name: complete message
        run: echo "Container Build and Tests Completed Successfully"

# NOTE
# many of this code was copied from the great workflow of truechats/containers
# https://github.com/truecharts/containers/blob/master/.github/workflows/containers.build.yaml