docker-mailserver-GUI/.github/workflows/docker-publish.yml at master · dunaj-dev/docker-mailserver-GUI · GitHub

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name: Build and Publish Docker Image

on:
  push:
    branches: [ "master" ]
    tags: [ 'v*.*.*' ]
  pull_request:
    branches: [ "master" ]

env:
  IMAGE_NAME: dunajdev/docker-mailserver-gui

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      pull-requests: read # Needed for tj-actions/changed-files on PRs

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          # Fetch history to compare files (important for PRs)
          fetch-depth: ${{ github.event_name == 'pull_request' && 2 || 0 }}

      - name: Check for relevant file changes
        id: check_changes
        uses: tj-actions/changed-files@v44 # Use a recent version
        with:
          files: |
            backend/**
            frontend/**
            docker/**
            Dockerfile
            docker-compose.yml
            .github/workflows/**
          files_ignore: |
            **.md
            backend/db.json

      # --- Conditional Steps ---
      # Run subsequent steps only if relevant files were changed

      - name: Set up Node.js
        if: steps.check_changes.outputs.any_changed == 'true'
        uses: actions/setup-node@v4
        with:
          node-version: '20' # Use a recent LTS version

      - name: Install backend dependencies and check formatting
        if: steps.check_changes.outputs.any_changed == 'true'
        run: |
          cd backend
          npm ci
          npm run format:check

      - name: Install frontend dependencies and check formatting
        if: steps.check_changes.outputs.any_changed == 'true'
        run: |
          cd frontend
          npm ci
          npm run format:check

      - name: Set up Docker Buildx
        if: steps.check_changes.outputs.any_changed == 'true'
        uses: docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        # Also check if relevant files changed
        if: steps.check_changes.outputs.any_changed == 'true' && github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata for Docker
        if: steps.check_changes.outputs.any_changed == 'true'
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,format=short
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        if: steps.check_changes.outputs.any_changed == 'true'
        uses: docker/build-push-action@v5
        with:
          context: .
          # Push condition remains the same, but the whole step is conditional
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max