fix (dev): fix hostname, minimize devenv config

.config/devenv.yml

@@ -2,28 +2,19 @@ url: http://localhost:3030
 port: 3030
 
 db:
-  host: db
+  host: firefish_db
   port: 25432
 
   db: firefish_db
-
   user: firefish
   pass: password
 
 redis:
-  host: redis
+  host: firefish_redis
   port: 26379
-  family: 4
 
 id: 'aid'
 
-reservedUsernames:
-  - root
-  - admin
-  - administrator
-  - me
-  - system
-
 logLevel: [
   'error',
   'success',