updated dockerFile

backend/Dockerfile

@@ -25,10 +25,10 @@ USER nodeapp
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD wget --no-verbose --tries=1 --spider http://localhost:3001/health || exit 1
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
 
-# Expose port
-EXPOSE 3001
+# 2. Fix Expose to match the app
+EXPOSE 3000
 
 # Start the application
 CMD ["node", "server.js"]