build-release.yaml

name: Docker Build and Push

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  # Enable manual trigger from Actions tab
  workflow_dispatch:

env:
  DOCKER_HUB_USERNAME: ${{ secrets.DOCKER_HUB_USERNAME }}
  IMAGE_NAME: mywebapp
  PLATFORMS: linux/amd64,linux/arm64
#  TARGET_REPO: prabhjotbawa/helm-charts
#  TARGET_BRANCH: main
#  TARGET_FILE_PATH: charts/webapp/values.yaml

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          load: true
          tags: ${{ env.DOCKER_HUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  comprehensive-scan:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: read # for actions/checkout to fetch code
      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status

    steps:
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Cache Trivy vulnerability database
        uses: actions/cache@v4
        with:
          path: .trivycache/
          key: ${{ runner.os }}-trivy-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-trivy-

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@7b7aa264d83dc58691451798b4d117d53d21edfe
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          image-ref: ${{ env.DOCKER_HUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
          format: 'template'
          template: '@/contrib/sarif.tpl'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'
          cache-dir: .trivycache/
          skip-db-update: ${{ github.event_name != 'schedule' }}

      - name: Upload Trivy scan results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: 'trivy-results.sarif'

  push:
    needs: build
    runs-on: ubuntu-latest
    # Only run this job if we're on the main branch and not in a pull request
    if: github.event_name != 'pull_request'

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ env.PLATFORMS }}
          push: true
          tags: |
            ${{ env.DOCKER_HUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.DOCKER_HUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

# OPTIONAL CODE TO UPDATE HELM CHART TAG
#      - name: Checkout target repository
#        uses: actions/checkout@v4
#        with:
#          repository: ${{ env.TARGET_REPO }}
#          token: ${{ secrets.PAT_TOKEN }}  # Need a Personal Access Token with repo access
#          path: target-repo
#
#      - name: Update image tag
#        run: |
#          cd target-repo
#          ls -l
#          # Update the image tag in the target file
#          # This example assumes YAML format - adjust the command based on your file format
#          yq e ".image.django.tag = \"${{ github.sha }}\"" -i ${{ env.TARGET_FILE_PATH }}
#
#      - name: Commit and push changes
#        run: |
#          cd target-repo
#          git config user.name "GitHub Actions"
#          git config user.email "actions@github.com"
#          git add ${{ env.TARGET_FILE_PATH }}
#          git commit -m "Update image tag to ${{ github.sha }}"
#          git push