diff --git a/Dockerfile.cicd b/Dockerfile.cicd
index 7fa198c..d708abf 100644
--- a/Dockerfile.cicd
+++ b/Dockerfile.cicd
@@ -178,9 +178,15 @@ RUN echo "=== Installing Backend Package in Development Mode ===" && \
 WORKDIR /workspace
 RUN echo "=== Installing Pre-commit Hook Environments ===" && \
     if [ -f ".pre-commit-config.yaml" ]; then \
-        # Use project's Python environment for pre-commit
-        cd backend && uv run pre-commit install-hooks && \
-        echo "✓ Pre-commit hook environments installed successfully"; \
+        # pre-commit expects a git repository; create a temporary one for CI image prewarming.
+        git init /workspace >/dev/null 2>&1 || true && \
+        cd backend && \
+        if uv run pre-commit install-hooks; then \
+            echo "✓ Pre-commit hook environments installed successfully"; \
+        else \
+            echo "⚠ pre-commit hook prewarming failed; continuing"; \
+        fi && \
+        rm -rf /workspace/.git; \
     else \
         echo "No .pre-commit-config.yaml found, skipping hook installation"; \
     fi