name: build-images
# Build + push container images for ProofedMesh services on every push to
# main. PRs run the build to catch Dockerfile breakage but do not push.
#
# The repository is sha256 — same gotchas as validate.yml apply: no
# actions/checkout, clone manually from a trixie/alpine container with
# git ≥ 2.42.
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  signing-service:
    name: signing-service image
    runs-on: ubuntu-latest
    container:
      image: debian:trixie-slim
      options: --user 0:0
    env:
      REGISTRY: harbor.basicstack.de
      IMAGE_REPO: harbor.basicstack.de/basicstack/signing-service
    steps:
      - name: Install git + buildx client + ca-certs
        run: |
          set -euo pipefail
          apt-get update
          # Debian trixie: `docker.io` only installs the daemon; the CLI
          # (`/usr/bin/docker`) ships in `docker-cli`, which is a Recommends
          # and therefore excluded by `--no-install-recommends`. Add it
          # explicitly.
          apt-get install -y --no-install-recommends \
            git curl ca-certificates docker.io docker-cli
          git --version
          docker --version

      - name: Clone repository (sha256-aware)
        run: |
          set -euo pipefail
          git clone --depth=1 --branch="${GITHUB_REF_NAME}" \
            "https://x-access-token:${GITHUB_TOKEN}@forgejo.basicstack.de/${GITHUB_REPOSITORY}.git" \
            "${GITHUB_WORKSPACE}"
          cd "${GITHUB_WORKSPACE}"
          git log -1 --oneline

      - name: Resolve tags
        id: tags
        working-directory: ${{ github.workspace }}
        run: |
          set -euo pipefail
          SHA="$(git rev-parse --short HEAD)"
          echo "sha=${SHA}" >> "${GITHUB_OUTPUT}"
          echo "image_sha=${IMAGE_REPO}:${SHA}" >> "${GITHUB_OUTPUT}"
          echo "image_main=${IMAGE_REPO}:main" >> "${GITHUB_OUTPUT}"

      - name: Build image
        working-directory: ${{ github.workspace }}
        run: |
          set -euo pipefail
          docker build \
            -f services/signing-service/Dockerfile \
            -t "${{ steps.tags.outputs.image_sha }}" \
            -t "${{ steps.tags.outputs.image_main }}" \
            .

      - name: Login to Harbor (push jobs only)
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        run: |
          set -eu
          echo "${{ secrets.HARBOR_PASSWORD }}" | \
            docker login "${REGISTRY}" --username "${{ secrets.HARBOR_USERNAME }}" --password-stdin

      - name: Push image (main only)
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        run: |
          set -eu
          docker push "${{ steps.tags.outputs.image_sha }}"
          docker push "${{ steps.tags.outputs.image_main }}"