test releasing docker image

.github/workflows/build.yml

@@ -263,11 +263,36 @@ jobs:
   publish:
     env:
       RELEASE_VERSION: ${{ github.event_name == 'pull_request' && 'dev-test' || 'dev' }}
+      REGISTRY: ghcr.io
+      IMAGE_NAME: datadog/otel-profiling-agent
     if: ${{ (github.event_name == 'push' && github.ref == 'refs/heads/main') || (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'publish-dev-test') )}}
     name: Publish pre-release
     needs: [build]
     runs-on: ubuntu-24.04
+    permissions:
+      contents: write
+      packages: write
     steps:
+      - name: Check out
+        uses: actions/checkout@v4
+      - name: Setup buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        env:
+          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          annotations: |
+            org.opencontainers.image.description=The Datadog OpenTelemetry Profiling Agent is a full-host profiler that collects and sends profiling data to Datadog
+            org.opencontainers.image.vendor=Datadog
       - name: Download artifacts
         uses: actions/download-artifact@v4
       - name: Create assets
@@ -305,3 +330,12 @@ jobs:
           prerelease: true
           draft: false
           tag: ${{ env.RELEASE_VERSION }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: docker/Dockerfile.release
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          annotations: ${{ steps.meta.outputs.annotations }}