diff --git a/docker-compose.yml b/docker-compose.yml
index e4d182a..74718d0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,39 +1,40 @@
 version: '3.4'
 services:
   keycloak:
     image: jboss/keycloak:4.5.0.Final
     command: ["-b", "0.0.0.0", "-Djboss.socket.binding.port-offset=1000"]
     environment:
       KEYCLOAK_USER: ${KEYCLOAK_USER}
       KEYCLOAK_PASSWORD: ${KEYCLOAK_PASSWORD}
-      MYSQL_PORT_3306_TCP_ADDR: keycloak-db
-      MYSQL_PORT_3306_TCP_PORT: 3306
-      MYSQL_DATABASE: keycloak
-      MYSQL_USER: keycloak
-      MYSQL_PASSWORD: keycloak
+      DB_ADDR: keycloak-db
+      MYSQL_PORT: 3306
+      DB_DATABASE: keycloak
+      DB_USER: keycloak
+      DB_PASSWORD: keycloak
+      DB_VENDOR: mariadb
     ports:
       - "9080:9080"
       - "9443:9443"
     depends_on:
       - keycloak-db
   keycloak-db:
     image: mariadb:10.1
     volumes:
       - keycloak-db:/var/lib/mysql
     environment:
       MYSQL_ROOT_PASSWORD: root
       MYSQL_DATABASE: keycloak
       MYSQL_USER: keycloak
       MYSQL_PASSWORD: keycloak
   shared-mongodb-4:
     image: "mongo:4"
     ports:
       - "27017:27017"
     volumes:
     - shared-mongodb-4-configdb:/data/configdb
     - shared-mongodb-4-db:/data/db
 
 volumes:
   shared-mongodb-4-configdb:
   shared-mongodb-4-db:
   keycloak-db: