Remove unnecessary zulip-rabbit hostname.

jwillmer · web-flow · commit b2add609a409 · 2021-05-23T15:23:52.000-07:00
As discussed in #195, `hostname` field is not necessary and just confusing.
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -28,7 +28,6 @@ services:
     restart: always
   rabbitmq:
     image: 'rabbitmq:3.7.7'
-    hostname: zulip-rabbit
     restart: always
     environment:
         RABBITMQ_DEFAULT_USER: 'zulip'
