docker-build.yml

name: Build and Push Docker Image

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  # PR checks can be superseded. A publishing run must reach its source-head
  # checks so an older event can never cancel or overwrite a newer image.
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

env:
  IMAGE_NAME: aethersailor/rule-bot

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7

      - name: Set up Python
        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
        with:
          python-version: "3.14"
          cache: pip

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

      - name: Run static checks
        run: |
          python -m compileall -q src tests
          ruff check src tests
          pip check

      - name: Run unit tests
        run: python -m unittest discover -s tests -v

      - name: Audit Python dependencies
        run: pip-audit -r requirements.txt

  build-and-push:
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7

      - name: Set up QEMU
        uses: docker/setup-qemu-action@96fe6ef7f33517b61c61be40b68a1882f3264fb8 # v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Verify publish source is current master
        if: github.event_name != 'pull_request'
        shell: bash
        env:
          EXPECTED_SHA: ${{ github.sha }}
        run: |
          set -euo pipefail
          test "$GITHUB_REF" = "refs/heads/master"
          remote_sha="$(git ls-remote origin refs/heads/master | awk '{print $1}')"
          test -n "$remote_sha"
          if [[ "$remote_sha" != "$EXPECTED_SHA" ]]; then
            echo "refusing to publish stale source: expected $EXPECTED_SHA, master is $remote_sha" >&2
            exit 1
          fi

      - name: Extract image metadata
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: type=raw,value=sha-${{ github.sha }}
          labels: |
            org.opencontainers.image.title=Rule Bot
            org.opencontainers.image.description=Telegram bot for rule management
            org.opencontainers.image.vendor=AetherSailor
            org.opencontainers.image.revision=${{ github.sha }}

      - name: Build and optionally push immutable multi-arch image
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ env.IMAGE_NAME }}:sha-${{ github.sha }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: mode=max
          sbom: true

      - name: Smoke test both published architectures
        if: github.event_name != 'pull_request'
        shell: bash
        env:
          CANDIDATE_IMAGE: ${{ env.IMAGE_NAME }}:sha-${{ github.sha }}
        run: |
          set -euo pipefail
          for platform in linux/amd64 linux/arm64; do
            docker run --rm --pull always --platform "$platform" \
              --entrypoint python "$CANDIDATE_IMAGE" \
              -c 'import aiohttp, github, maxminddb, telegram; import src.main'
          done

      - name: Promote current master to latest
        if: github.event_name != 'pull_request'
        shell: bash
        env:
          EXPECTED_SHA: ${{ github.sha }}
          CANDIDATE_IMAGE: ${{ env.IMAGE_NAME }}:sha-${{ github.sha }}
        run: |
          set -euo pipefail
          remote_sha="$(git ls-remote origin refs/heads/master | awk '{print $1}')"
          test -n "$remote_sha"
          if [[ "$remote_sha" != "$EXPECTED_SHA" ]]; then
            echo "master advanced during build; keeping candidate but not updating latest" >&2
            exit 1
          fi
          docker buildx imagetools create \
            --tag "${IMAGE_NAME}:latest" \
            "$CANDIDATE_IMAGE"

      - name: Verify latest platforms and source revision
        if: github.event_name != 'pull_request'
        shell: bash
        env:
          EXPECTED_SHA: ${{ github.sha }}
        run: |
          set -euo pipefail
          image="${IMAGE_NAME}:latest"
          for attempt in {1..12}; do
            manifest="$(docker buildx imagetools inspect "$image" \
              --format '{{json .Manifest}}' 2>/dev/null || true)"
            if jq -e '
              ([.manifests[]?.platform | select(.os == "linux") | .architecture] | index("amd64")) != null
              and
              ([.manifests[]?.platform | select(.os == "linux") | .architecture] | index("arm64")) != null
            ' <<<"$manifest" >/dev/null 2>&1; then
              verified=true
              for arch in amd64 arm64; do
                digest="$(jq -er --arg arch "$arch" '
                  .manifests[]
                  | select(.platform.os == "linux" and .platform.architecture == $arch)
                  | .digest
                ' <<<"$manifest")"
                image_config="$(docker buildx imagetools inspect \
                  "${IMAGE_NAME}@${digest}" --format '{{json .Image}}')"
                revision="$(jq -r '.config.Labels["org.opencontainers.image.revision"] // empty' \
                  <<<"$image_config")"
                if [[ "$revision" != "$EXPECTED_SHA" ]]; then
                  verified=false
                  break
                fi
              done
              if [[ "$verified" == true ]]; then
                exit 0
              fi
            fi
            sleep 10
          done
          echo "latest does not contain verified amd64/arm64 images for $EXPECTED_SHA" >&2
          exit 1