.

docker-compose.yml

@@ -365,6 +365,7 @@ services:
       - matomo-mariadb:/var/lib/mysql
     environment:
       MYSQL_ROOT_PASSWORD: ${MATOMO_MYSQL_ROOT_PASSWORD}
+      MYSQL_USER: matomo
       MYSQL_DATABASE: matomo
       MYSQL_PASSWORD: ${MATOMO_MYSQL_PASSWORD}
   # The backend guacamole server.