diff --git a/app/backend/Dockerfile.prod b/app/backend/Dockerfile.prod
index c58f66a..0d69af0 100644
--- a/app/backend/Dockerfile.prod
+++ b/app/backend/Dockerfile.prod
@@ -20,8 +20,7 @@ RUN apt-get update \
 
 # install python dependencies
 RUN pip install --upgrade pip setuptools wheel -i https://pypi.tuna.tsinghua.edu.cn/simple
-RUN pip wheel --no-cache-dir --no-deps --wheel-dir /usr/src/app/wheels -i https://pypi.tuna.tsinghua.edu.cn/simple pipenv
-RUN pip install --no-cache-dir --find-links=/usr/src/app/wheels pipenv
+RUN pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pipenv
 COPY ./Pipfile .
 RUN pipenv install --deploy --dev
 
@@ -64,11 +63,10 @@ RUN apt-get update \
     && apt-get clean
 
 # install python dependencies
-COPY --from=builder /usr/src/app/wheels /wheels
 COPY --from=builder /usr/src/app/Pipfile .
 RUN pip install --upgrade pip setuptools wheel -i https://pypi.tuna.tsinghua.edu.cn/simple
-RUN pip install --no-cache /wheels/*
-# RUN pipenv install --deploy --dev
+RUN pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pipenv
+RUN pipenv install --deploy --dev
 RUN pipenv run pip install "uvicorn[standard]==0.26.0"
 
 # add app
diff --git a/app/backend/main.py b/app/backend/main.py
index 3525d91..7ec349d 100644
--- a/app/backend/main.py
+++ b/app/backend/main.py
@@ -33,4 +33,4 @@ app.add_middleware(
 
 
 if __name__ == "__main__":
-    uvicorn.run("main:app", host="0.0.0.0", port=3100, reload=True)
\ No newline at end of file
+    uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True)
\ No newline at end of file
diff --git a/app/docker-compose.yml b/app/docker-compose.yml
index 2246116..b378631 100644
--- a/app/docker-compose.yml
+++ b/app/docker-compose.yml
@@ -7,20 +7,20 @@ services:
   #   volumes:
   #     - ./llmops/src/rag_cot_evaluation/chroma_db:/app/llmops/src/rag_cot_evaluation/chroma_db
 
-  # backend:
-  #   build:
-  #     context: ./backend
-  #     dockerfile: Dockerfile
-  #   container_name: backend
-  #   platform: linux/amd64
-  #   command: pipenv run uvicorn main:app --reload --workers 1 --host 0.0.0.0 --port 8000
-  #   volumes:
-  #     - ./backend:/usr/src/app
-  #   ports:
-  #     - "8004:8000"
-  #   environment:
-  #     - ENVIRONMENT=dev
-  #     - TESTING=0
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: backend
+    platform: linux/amd64
+    command: pipenv run uvicorn main:app --reload --workers 1 --host 0.0.0.0 --port 8000
+    volumes:
+      - ./backend:/usr/src/app
+    ports:
+      - "8000:8000"
+    environment:
+      - ENVIRONMENT=dev
+      - TESTING=0
 
   frontend:
     build:
diff --git a/app/frontend/src/App.tsx b/app/frontend/src/App.tsx
index 662b0c4..5512af7 100644
--- a/app/frontend/src/App.tsx
+++ b/app/frontend/src/App.tsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useRef } from 'react';
 
-const BASE_DOMAIN_NAME = process.env.REACT_APP_DOMAIN_NAME || 'localhost';
+const BASE_DOMAIN_NAME = import.meta.env.REACT_APP_DOMAIN_NAME || 'localhost';
 
 
 interface Message {