phostt 0.4.3

name: Docker

on:
  push:
    branches: [master]
    tags: ['v*']
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

permissions:
  contents: read
  packages: write
  attestations: write
  id-token: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

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

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=ref,event=branch
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}

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

      - name: Generate SBOM
        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: Attest image
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build.outputs.digest }}
          push-to-registry: true