diff --git a/Dockerfile.app b/Dockerfile.app
index 1aefd66e..c78e349a 100644
--- a/Dockerfile.app
+++ b/Dockerfile.app
@@ -18,9 +18,6 @@ WORKDIR /app
 COPY pyproject.toml uv.lock ./
 RUN uv sync
 
-# Copy Python source
-COPY src/ ./src/
-
 # Copy sample document and warmup script
 COPY documents/2506.08231v1.pdf ./
 COPY warm_up_docling.py ./
@@ -36,6 +33,9 @@ COPY frontend/ ./frontend/
 # Build frontend
 RUN cd frontend && npm run build
 
+# Copy Python source
+COPY src/ ./src/
+
 # Create startup script
 RUN echo '#!/bin/bash\n\
 set -e\n\
@@ -55,4 +55,4 @@ wait' > /app/start.sh && chmod +x /app/start.sh
 EXPOSE 3000
 
 # Start both services
-CMD ["/app/start.sh"]
\ No newline at end of file
+CMD ["/app/start.sh"]