docker-build.yml

name: Build and Push Docker Image

env:
  DOCKERHUB_USER: devopsiaci
  DOCKERHUB_REPO: pr-generator
  GHCR_REGISTRY: ghcr.io
  GHCR_REPO: ${{ github.repository }}

on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-python@v6
        with:
          python-version: "3.13"
          cache: pip
          cache-dependency-path: requirements.txt

      - name: Install dependencies
        run: pip install -r requirements.txt pytest

      - name: Run tests
        run: python -m pytest tests/ -v

  release:
    name: Release
    needs: [test]
    # Only run on direct pushes to main (not on pull requests)
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    permissions:
      attestations: write
      contents: write
      id-token: write
      issues: write
      packages: write
      pull-requests: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Semantic Release
        id: semantic
        uses: cycjimmy/semantic-release-action@v6
        with:
          tag_format: 'v${version}'
          extra_plugins: |
            @semantic-release/changelog
            @semantic-release/git
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Set Docker metadata
        id: meta
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/metadata-action@v6
        with:
          images: |
            ${{ env.DOCKERHUB_USER }}/${{ env.DOCKERHUB_REPO }}
            ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_REPO }}
          labels: |
            org.opencontainers.image.maintainer=amartingarcia,ialejandro'
            org.opencontainers.image.title='PR Generator'
            org.opencontainers.image.description='PR Generator to automate pull request management'
            org.opencontainers.image.vendor='devops-ia'
          tags: |
            type=raw,value=${{ steps.semantic.outputs.new_release_git_tag }}

      - name: Set up QEMU
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/setup-buildx-action@v4

      - name: Cache Docker layers
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: actions/cache@v5
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: "[DOCKERHUB] Log in"
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      - name: "[GHCR] Log in"
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/login-action@v4
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        id: push
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: docker/build-push-action@v7
        with:
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
          context: .
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          push: true
          sbom: true
          tags: ${{ steps.meta.outputs.tags }}

      - name: "[DOCKERHUB] Update registry description"
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: peter-evans/dockerhub-description@v5
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
          repository: ${{ env.DOCKERHUB_USER }}/${{ env.DOCKERHUB_REPO }}

      - name: "[GHCR] Generate artifact attestation"
        if: steps.semantic.outputs.new_release_published == 'true'
        uses: actions/attest-build-provenance@v4
        with:
          subject-name: ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_REPO }}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true

      - name: Move Docker cache
        if: steps.semantic.outputs.new_release_published == 'true'
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache