sn-auth/.github/workflows/docker-image.yml at develop · SenseNet/sn-auth · GitHub

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name: Docker Image CI

on:
  push:
    branches:
      - 'develop'
      - 'main'
      - 'master'
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
    branches:
      - 'develop'
      - 'main'
      - 'master'
  workflow_dispatch:
    inputs:
      push_image:
        description: 'Push the built image to DockerHub'
        required: false
        default: false
        type: boolean
      custom_tag:
        description: "Optional extra tag (e.g. 'test-xyz'). Branch name is always tagged."
        required: false
        type: string

jobs:
  build:
    runs-on: ubuntu-latest
    # Skip draft PRs
    if: github.event.pull_request.draft == false || github.event_name == 'push'

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Check if Dockerfile exists
        id: check_dockerfile
        run: |
          if [ -f "src/sn-auth/Dockerfile" ]; then
            echo "dockerfile_exists=true" >> $GITHUB_OUTPUT
          else
            echo "dockerfile_exists=false" >> $GITHUB_OUTPUT
            echo "⚠️ No Dockerfile found, skipping Docker build"
          fi

      - name: Compute version tag (commit date + short SHA)
        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true'
        id: version
        run: |
          SHORT_SHA=$(git rev-parse --short=8 "$GITHUB_SHA")
          COMMIT_DATE=$(git show -s --format=%cd --date=format:%Y%m%d "$GITHUB_SHA")
          VERSION_TAG="${COMMIT_DATE}-${SHORT_SHA}"
          echo "version_tag=${VERSION_TAG}" >> $GITHUB_OUTPUT
          echo "Computed version tag: ${VERSION_TAG}"

      - name: Set up Docker metadata
        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true'
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: sensenetcsp/sn-auth
          tags: |
            # Clean branch name (e.g., feature-conditional-recaptcha)
            type=ref,event=branch
            # Immutable version tag: <commit-date>-<short-sha>, e.g. 20260522-a3777f7a
            type=raw,value=${{ steps.version.outputs.version_tag }}
            # 'latest' tag only when pushing to main or master (regardless of default branch)
            type=raw,value=latest,enable=${{ github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master') }}
            # 'preview' tag only when pushing to develop
            type=raw,value=preview,enable=${{ github.event_name == 'push' && github.ref == 'refs/heads/develop' }}
            # PR number for pull requests
            type=ref,event=pr
            # Optional custom tag from manual workflow_dispatch
            type=raw,value=${{ inputs.custom_tag }},enable=${{ github.event_name == 'workflow_dispatch' && inputs.custom_tag != '' }}

      - name: Login to DockerHub
        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true' && (github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && inputs.push_image))
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push Docker image
        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true'
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./src/sn-auth/Dockerfile
          push: ${{ github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && inputs.push_image) }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}