---
name: Build release

on:
  push:
    tags:
    - "v[0-9]+.[0-9]+.[0-9]+"              # For releases, e.g. v1.2.0
    - "v[0-9]+.[0-9]+.[0-9]+-[a-zA-Z0-9]+" # For prereleases, e.g. v1.3.0-alpha1

env:
  REGISTRY: ghcr.io

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
      attestations: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7
      - name: Log in to the Container registry
        uses: docker/login-action@06fb636fac595d6fb4b28a5dfcb21a6f5091859c # v4.5.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ github.token }}
      # Build Docker Images (amd64 and arm64)
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4
      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository }}
          # E.g. tag v1.2.0 produces 3 tags: '1.2.0', '1.2', and 'latest'
          # https://github.com/docker/metadata-action?tab=readme-ov-file#semver
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}

      - name: Create version files
        run: |
          echo "${{ steps.meta.outputs.version }}" > version.txt
          echo "${{ github.sha }}" > version_githash.txt
          ls -ltr

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          platforms: linux/amd64,linux/aarch64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v4
        with:
          subject-name: ${{ env.REGISTRY }}/${{ github.repository }}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true