Add ls command to Dockerfile for debugging

Dockerfile

@@ -6,6 +6,8 @@ WORKDIR /app/frontend/web
 COPY web/package*.json ./
 RUN npm install
 COPY web/ ./
+RUN npm run build
+RUN ls -la /app/frontend/web/
 
 # Stage 2: Build the Python backend (switching to Debian-based image)
 FROM python:3.11-slim AS backend-builder
@@ -35,7 +37,7 @@ RUN apt-get update && \
 WORKDIR /app
 
 # Copy the frontend code and dependencies
-COPY --from=frontend-builder /app/frontend/web/ ./web/
+COPY --from=frontend-builder /app/frontend/web/dist/ ./web/dist/
 RUN chmod -R 777 ./web
 
 # Copy the installed Python dependencies