removed hostname from db

docker-compose.yml

@@ -69,7 +69,6 @@ services:
   db:
     image: "mariadb:latest"
     container_name: "${PROJECT_NAME}_wordpress_db"
-    hostname: "${PROJECT_URL}"
     restart: "unless-stopped"
     command: '--default-authentication-plugin=mysql_native_password'
     env_file: ".env"
@@ -82,4 +81,4 @@ services:
       - "traefik.enable=false"
 volumes:
   wordpress:
-    name: "${PROJECT_NAME}_wordpress"
+    name: "${PROJECT_NAME}_wordpress"