Modified dockerfile

.gitignore

@@ -2,7 +2,7 @@ __pycache__/
 *.pyc
 node_modules/
 ui/node_modules/
-build/
+
 .DS_Store
 *.log
 .env

Dockerfile

@@ -2,13 +2,19 @@
 FROM node:20-alpine AS ui-builder
 WORKDIR /app/ui
 
-# If you use pnpm or yarn, adjust below
+# install deps
 COPY ui/package*.json ./
 RUN npm ci
 
+# build
 COPY ui/ ./
 RUN npm run build
 
+# normalize to /app/ui/out regardless of framework (Vite=dist, CRA=build)
+RUN if [ -d dist ]; then mv dist out; \
+    elif [ -d build ]; then mv build out; \
+    else echo "No UI build output found" && ls -la && exit 1; fi
+
 # ---------- Python runtime ----------
 FROM python:3.11-slim