diff --git a/docker-compose.yml b/docker-compose.yml
index 28a1be0..380c8f4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     env_file: ./backend/.env
     environment:
       - CH_DATABASE_URL=sqlite+aiosqlite:///./data/classhub.db
-      - CH_FRONTEND_URL=http://localhost
+      - CH_FRONTEND_URL=https://hkuicb.info
     volumes:
       - classhub-data:/app/data
     ports:
@@ -20,7 +20,7 @@ services:
     build:
       context: ./frontend
       args:
-        - NEXT_PUBLIC_API_URL=
+        - NEXT_PUBLIC_API_URL=http://backend:8000
     restart: unless-stopped
     ports:
       - "3008:3000"