make this code runable and solve error

Dockerfile

@@ -1,3 +1,10 @@
+FROM node:18 AS frontend-build
+WORKDIR /app/frontend
+COPY ./frontend/package*.json ./
+RUN npm install
+COPY ./frontend .
+RUN npm run build
+
 # Use an official Python runtime as a base image
 FROM python:3.9-slim
 
@@ -7,6 +14,9 @@ WORKDIR /app
 # Copy the current directory contents into the container
 COPY . /app
 
+
+# Copy the built frontend files to a directory named 'static' for FastAPI to serve
+COPY --from=frontend-build /app/frontend/dist /app/static
 # Install any needed packages specified in requirements.txt
 # COPY requirements.txt /app/
 # RUN pip install --no-cache-dir -r requirements.txt
@@ -16,6 +26,8 @@ RUN pip install python-dotenv
 RUN pip install openai 
 RUN pip install chainlit
 RUN chmod -R 777 /app
+
+
 # Make port 8000 available to the world outside this container
 EXPOSE 8080
 

frontend

@@ -0,0 +1 @@
+Subproject commit 2638a4a37f417bb4fea4f3af1167abf02b8a7f93