fix: docker-compose.prod.yml 수정

Author: fru1tworld

docker-compose.prod.yml

@@ -63,7 +63,7 @@ services:
       - REDIS_PASSWORD=${REDIS_PASSWORD}
       - REDIS_HOST=${REDIS_HOST}
       - REDIS_PORT=${REDIS_PORT}
-
+      - SERVER_ID=room1
       - WS_PORT=${WS1_PORT}
     networks:
       - app-network
@@ -96,7 +96,7 @@ services:
       - REDIS_PASSWORD=${REDIS_PASSWORD}
       - REDIS_HOST=${REDIS_HOST}
       - REDIS_PORT=${REDIS_PORT}
-
+      - SERVER_ID=room2
       - WS_PORT=${WS2_PORT}
     networks:
       - app-network