Move the existing web folder to web/vanilla and update Dockerfile.

backend/app.py

@@ -447,9 +447,16 @@ async def get_vector_preview(
         logger.error(f"Error getting vector preview for {dataset_name}.{column}: {e}")
         raise HTTPException(status_code=500, detail="Failed to get vector preview")
 
-# Only mount static files if the directory exists (for production)
-if os.path.exists("/web"):
-    app.mount("/", StaticFiles(directory="/web", html=True), name="static")
+# Mount static files - use vanilla version by default
+# In production, Docker copies vanilla files to /web
+# For local development, serve from web/vanilla
+static_dir = "/web"
+if not os.path.exists(static_dir):
+    # Local development - serve vanilla version
+    static_dir = os.path.join(os.path.dirname(__file__), "..", "web", "vanilla")
+
+if os.path.exists(static_dir):
+    app.mount("/", StaticFiles(directory=static_dir, html=True), name="static")
 
 if __name__ == "__main__":
     import uvicorn

docker/Dockerfile

@@ -22,7 +22,7 @@ COPY --from=builder /root/.local /home/appuser/.local
 WORKDIR /app
 
 COPY backend/app.py .
-COPY web/ /web/
+COPY web/vanilla/ /web/
 
 RUN chown -R appuser:appuser /app /web
 RUN chmod -R 755 /web