name: build

on:
  push:
    branches:
      - main
    paths-ignore:
      - "**.md"
      - ".gitignore"

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

jobs:
  deploy:
    name: build and deploy
    runs-on: ubuntu-latest
    timeout-minutes: 20

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

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

      - name: Log in to the Container registry
        uses: docker/login-action@70fccc794acd729b2b22dd6a326895f286447728
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@f7b4ed12385588c3f9bc252f0a2b520d83b52d48
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@2a53c6ccda456d31fb62eedc658aae06e238b7bd
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

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