name: Build and publish container

on:
  push:
    branches: [main]
    tags: ["v*"]
  workflow_dispatch:

permissions:
  contents: read
  packages: write

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Check out source
        uses: actions/checkout@v4

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

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

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

      - name: Generate image tags
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=semver,pattern={{version}}
            type=raw,value=alpha,enable=${{ startsWith(github.ref, 'refs/tags/v') && contains(github.ref, '-alpha.') }}
            type=sha

      - name: Build local smoke-test image
        uses: docker/build-push-action@v6
        with:
          context: .
          load: true
          tags: site-gateway:smoke-test
          cache-from: type=gha

      - name: Verify Node and built-in SQLite
        run: docker run --rm --entrypoint node site-gateway:smoke-test --input-type=module -e "import { DatabaseSync } from 'node:sqlite'; const db = new DatabaseSync(':memory:'); db.exec('CREATE TABLE smoke (id INTEGER)'); db.close();"

      - name: Scan image for vulnerabilities
        uses: aquasecurity/trivy-action@0.28.0
        with:
          image-ref: site-gateway:smoke-test
          severity: CRITICAL,HIGH
          exit-code: "0"
          format: table

      - name: Build and publish
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max