update

docker-compose.yml

@@ -4,6 +4,7 @@ services:
   chat-socket:
     restart: always
     container_name: $CONTAINER_NAME
+    hostname: chat-socket
     build:
       context: .
     ports:
@@ -17,6 +18,7 @@ services:
   chat-socket1:
     restart: always
     container_name: $CONTAINER_NAME1
+    hostname: chat-socket-1
     build:
       context: .
     ports: