CORS implemented in a static manner: unable to configure on another machine

docker-compose.yaml

@@ -6,12 +6,16 @@ services:
       context: ./frontend
     ports:
       - "3000:80"
+    env_file:
+      - ./frontend/.env
 
   backend:
     build:
       context: ./backend
     ports:
       - "8000:8000"
+    env_file:
+      - ./backend/.env
     environment:
       - GEMINI_API_KEY=${GEMINI_API_KEY}
       - AUTH_PASSPHRASE=${AUTH_PASSPHRASE}