fix: expand docker metric fields (#7601)

.github/actions/docker-build/action.yml

@@ -237,6 +237,21 @@ runs:
         mkdir -p build-metrics
         METRICS_FILE="build-metrics/metrics-${{ inputs.framework }}-${PLATFORM_ARCH}-${{ github.run_id }}-${{ job.check_run_id }}.json"
 
+        # Extract additional metadata from the built image
+        if [ -n "$IMAGE_TAG" ]; then
+          PYTHON_VERSION=$(docker run --rm "$IMAGE_TAG" python3 --version 2>/dev/null | awk '{print $2}' || echo "unknown")
+          if [ -z "$PYTHON_VERSION" ]; then
+            PYTHON_VERSION="unknown"
+          fi
+          BASE_IMAGE=$(docker image inspect "$IMAGE_TAG" --format='{{index .Config.Labels "org.opencontainers.image.base.name"}}' 2>/dev/null || echo "unknown")
+          if [ -z "$BASE_IMAGE" ] || [ "$BASE_IMAGE" = "<no value>" ]; then
+            BASE_IMAGE="unknown"
+          fi
+        else
+          PYTHON_VERSION="unknown"
+          BASE_IMAGE="unknown"
+        fi
+
         # Create the job metrics file
         cat > "$METRICS_FILE" << EOF
         {
@@ -244,6 +259,10 @@ runs:
           "target": "${{ inputs.target }}",
           "platform": "${{ inputs.platform }}",
           "platform_arch": "${PLATFORM_ARCH}",
+          "cuda_version": "${{ inputs.cuda_version }}",
+          "image_tag": "${IMAGE_TAG}",
+          "python_version": "${PYTHON_VERSION}",
+          "base_image": "${BASE_IMAGE}",
           "image_size_bytes": ${IMAGE_SIZE_BYTES},
           "build_start_time": "${BUILD_START_TIME}",
           "build_end_time": "${BUILD_END_TIME}",