publish-containers.yml

name: Publish Container Images

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      component:
        description: "Component to build and publish"
        required: true
        type: choice
        options:
          - trust-engine
          - policy-server
          - audit-collector
          - api-gateway
          - governance-sidecar
          - all
      tag:
        description: "Image tag (default: latest)"
        required: false
        default: "latest"

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

env:
  REGISTRY: ghcr.io
  IMAGE_PREFIX: ghcr.io/microsoft/agentmesh

jobs:
  build-push:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - component: trust-engine
            dockerfile: packages/agent-mesh/docker/Dockerfile
            context: .
            port: 8443
          - component: policy-server
            dockerfile: packages/agent-mesh/docker/Dockerfile
            context: .
            port: 8444
          - component: audit-collector
            dockerfile: packages/agent-mesh/docker/Dockerfile
            context: .
            port: 8445
          - component: api-gateway
            dockerfile: packages/agent-mesh/docker/Dockerfile
            context: .
            port: 8446
          - component: governance-sidecar
            dockerfile: packages/agent-os/Dockerfile.sidecar
            context: packages/agent-os
            port: 8081

    # Filter: build all on release, or only the selected component on dispatch
    if: >-
      github.event_name == 'release' ||
      github.event.inputs.component == 'all' ||
      github.event.inputs.component == matrix.component

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Set image tag
        id: tag
        run: |
          if [ "${{ github.event_name }}" = "release" ]; then
            # Strip 'v' prefix from release tag (v3.2.0 → 3.2.0)
            TAG="${{ github.event.release.tag_name }}"
            TAG="${TAG#v}"
          else
            TAG="${{ github.event.inputs.tag || 'latest' }}"
          fi
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
          echo "Image tag: $TAG"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0

      - name: Log in to GHCR
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
        with:
          images: ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}
          tags: |
            type=raw,value=${{ steps.tag.outputs.tag }}
            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
            type=sha,prefix=

      - name: Build and push
        uses: docker/build-push-action@263435318d21b8e681c14492fe198e19c816612b # v6.18.0
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            COMPONENT=${{ matrix.component }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Attest build provenance
        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
        with:
          subject-name: ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}
          subject-digest: ${{ steps.meta.outputs.digest || '' }}
          push-to-registry: true
        continue-on-error: true

      - name: Verify image
        run: |
          echo "=== Verifying ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}:${{ steps.tag.outputs.tag }} ==="
          docker pull ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}:${{ steps.tag.outputs.tag }}
          docker run --rm ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}:${{ steps.tag.outputs.tag }} python -c "print('Image OK')"