C

Dockerfile

@@ -49,9 +49,8 @@ WORKDIR $HOME/app
 # Copy the remaining application code with correct ownership
 COPY --chown=user . .
 
-# Expose ports for both services
+# Expose only FastAPI port
 EXPOSE 7860
-EXPOSE 3000
 
-# Run FastAPI backend on 7860 and Next.js frontend on 3000
+# Run Next.js in background and FastAPI as main process
 CMD ["sh", "-c", "npm run start --prefix frontend & uvicorn backend.main:app --host 0.0.0.0 --port 7860"]

frontend/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
+    "dev": "next dev -p 7860",
     "build": "next build",
     "start": "next start",
     "lint": "next lint"