docker-build.yml

name: Docker Build and Publish

on:
  push:
    branches:
      - main
      - develop
      - 'feature/docker-*'
    tags:
      - 'v*'
  pull_request:
    branches:
      - main
  workflow_dispatch:
    inputs:
      push:
        description: 'Push images to registry'
        required: false
        default: 'false'
        type: choice
        options:
          - 'true'
          - 'false'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true



  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/redditmodlog

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    permissions:
      contents: write
      packages: write
      id-token: write
    outputs:
      image-tag: ${{ steps.meta.outputs.version }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha
          labels: |
            org.opencontainers.image.title=Reddit ModLog Wiki Publisher
            org.opencontainers.image.description=Automated Reddit moderation log publisher to wiki pages
            org.opencontainers.image.vendor=baker-scripts
            org.opencontainers.image.licenses=GPL-3.0

      - name: Build and push Docker image
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' || github.event.inputs.push == 'true' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILD_DATE=${{ github.event.head_commit.timestamp }}
            VCS_REF=${{ github.sha }}
            VERSION=${{ steps.meta.outputs.version }}

      - name: Generate SBOM
        if: github.event_name != 'pull_request'
        uses: anchore/sbom-action@v0
        with:
          image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}
          format: spdx-json
          output-file: sbom.spdx.json

      - name: Upload SBOM
        if: github.event_name != 'pull_request'
        uses: actions/upload-artifact@v7
        with:
          name: sbom
          path: sbom.spdx.json

  security-scan:
    needs: build
    runs-on: ubuntu-latest
    timeout-minutes: 15
    if: github.event_name != 'pull_request'
    permissions:
      contents: read
      security-events: write

    steps:
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@0.35.0
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.build.outputs.image-tag }}
          format: 'sarif'
          output: 'trivy-results.sarif'

      - name: Upload Trivy results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v4
        if: always()
        with:
          sarif_file: 'trivy-results.sarif'