diff --git a/docker-compose.yml b/docker-compose.yml
index 4417b96..c425ce5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -64,8 +64,8 @@ services:
       - NEXT_PUBLIC_WS_URL=ws://192.168.50.130:8091
     volumes:
       - ./frontend:/app
-      - /app/node_modules
-      - /app/.next
+      - frontend_node_modules:/app/node_modules
+      - frontend_next:/app/.next
     ports:
       - "3091:3000"
     depends_on:
@@ -75,3 +75,5 @@ services:
 volumes:
   postgres_data:
   piston_packages:
+  frontend_node_modules:
+  frontend_next:
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 47e9dc8..f99b2c5 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -11,8 +11,14 @@ RUN npm install
 # Copy application code
 COPY . .
 
+# Make entrypoint executable
+RUN chmod +x /app/entrypoint.sh
+
 # Expose port
 EXPOSE 3000
 
+# Use entrypoint for dependency sync
+ENTRYPOINT ["/app/entrypoint.sh"]
+
 # Run the development server
 CMD ["npm", "run", "dev"]
diff --git a/frontend/entrypoint.sh b/frontend/entrypoint.sh
new file mode 100644
index 0000000..e603ed9
--- /dev/null
+++ b/frontend/entrypoint.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+# Sync node_modules if package.json changed
+if [ ! -d "node_modules" ] || [ "package.json" -nt "node_modules" ]; then
+    echo "Installing dependencies..."
+    npm install
+    touch node_modules
+fi
+
+exec "$@"