🔧 Make email env vars required

Author: tiangolo

docker-compose.swarm.yml

@@ -119,14 +119,14 @@ services:
     - GITLAB_SECRETS_OTP_KEY_BASE=${GITLAB_SECRETS_OTP_KEY_BASE?Variable not set}
 
     - GITLAB_ROOT_PASSWORD=${GITLAB_ROOT_PASSWORD?Variable not set}
-    - GITLAB_ROOT_EMAIL=${GITLAB_ROOT_EMAIL-:admin@${GITLAB_HOST}}
+    - GITLAB_ROOT_EMAIL=${GITLAB_ROOT_EMAIL?Variable not set}
 
     - GITLAB_NOTIFY_ON_BROKEN_BUILDS=${GITLAB_NOTIFY_ON_BROKEN_BUILDS:-true}
     - GITLAB_NOTIFY_PUSHER=${GITLAB_NOTIFY_PUSHER:-false}
 
-    - GITLAB_EMAIL=${GITLAB_EMAIL:-notifications@${GITLAB_HOST?Variable not set}}
-    - GITLAB_EMAIL_REPLY_TO=${GITLAB_EMAIL_REPLY_TO:-noreply@${GITLAB_HOST?Variable not set}}
-    - GITLAB_INCOMING_EMAIL_ADDRESS=${GITLAB_INCOMING_EMAIL_ADDRESS:-reply@${GITLAB_HOST?Variable not set}}
+    - GITLAB_EMAIL=${GITLAB_EMAIL:?Variable not set}
+    - GITLAB_EMAIL_REPLY_TO=${GITLAB_EMAIL_REPLY_TO?Variable not set}
+    - GITLAB_INCOMING_EMAIL_ADDRESS=${GITLAB_INCOMING_EMAIL_ADDRESS?Variable not set}
 
     - GITLAB_BACKUP_SCHEDULE=${GITLAB_BACKUP_SCHEDULE:-daily}
     - GITLAB_BACKUP_TIME=${GITLAB_BACKUP_TIME:-01:00}