diff --git a/.env.sample b/.env.sample
index f6d6853..22255e8 100644
--- a/.env.sample
+++ b/.env.sample
@@ -7,6 +7,5 @@ DOMAIN=xwiki.example.com
 
 LETS_ENCRYPT_ENV=production
 
-SECRET_DB_USERNAME_VERSION=v1
 SECRET_DB_PASSWORD_VERSION=v1
 SECRET_DB_ROOT_PASSWORD_VERSION=v1
diff --git a/README.md b/README.md
index 913c3d8..a7db28a 100644
--- a/README.md
+++ b/README.md
@@ -21,4 +21,6 @@
 * `abra app config <app-name>`
 * `abra app deploy <app-name>`
 
+> Warning: trying to access <app-name> before db instance finishes initialization results in failure to initialize the xwiki instance, recommended to wait for about 5 minutes (that is plenty of time) before accessing the app from your browser.
+
 For more, see [`docs.coopcloud.tech`](https://docs.coopcloud.tech).
diff --git a/compose.yml b/compose.yml
index b23b7b6..712873d 100644
--- a/compose.yml
+++ b/compose.yml
@@ -4,14 +4,13 @@ services:
   app:
     image: "xwiki:stable-mysql-tomcat"
     environment:
-      - DB_USER_FILE=/run/secrets/db_username
+      - DB_USER=xwiki
       - DB_PASSWORD_FILE=/run/secrets/db_password
       - DB_DATABASE=xwiki
       - DB_HOST=${STACK_NAME}_db
     volumes:
       - xwiki-data:/usr/local/xwiki
     secrets:
-      - db_username
       - db_password
     networks:
       - proxy
@@ -44,7 +43,7 @@ services:
       - mysql-data:/var/lib/mysql
     environment:
       - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db_root_password
-      - MYSQL_USER_FILE=/run/secrets/db_username
+      - MYSQL_USER=xwiki
       - MYSQL_PASSWORD_FILE=/run/secrets/db_password
       - MYSQL_DATABASE=xwiki
     command:
@@ -52,7 +51,6 @@ services:
       - "--collation-server=utf8mb4_bin"
       - "--explicit-defaults-for-timestamp=1"
     secrets:
-      - db_username
       - db_password
       - db_root_password
 
@@ -66,9 +64,6 @@ volumes:
   xwiki-data:
 
 secrets:
-  db_username:
-    name: ${STACK_NAME}_db_username_${SECRET_DB_USERNAME_VERSION}
-    external: true
   db_password:
     name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
     external: true