Inline that

compose.yml

@@ -1,8 +1,7 @@
 ---
 version: "3.8"
 
-x-configs:
-  &default-configs
+x-configs: &default-configs
   - source: config_json
     target: /web/config.json
   - source: alertad_conf
@@ -12,8 +11,7 @@ x-configs:
   - source: email_tmpl
     target: /app/email.tmpl
 
-x-secrets:
-  &default-secrets
+x-secrets: &default-secrets
   - cli_api_key
   - db_root_password
   - mailer_api_key
@@ -22,8 +20,7 @@ x-secrets:
   - secret_key
   - smtp_password
 
-x-environment:
-  &default-env
+x-environment: &default-env
   - ADMIN_USERS=${ADMIN_USERS}
   - DEBUG=${DEBUG}
   - DOMAIN=${DOMAIN}