add mariadb support to docker compose

Author: tanner0101

docker-compose.yml

@@ -37,3 +37,12 @@ services:
       MYSQL_PASSWORD: vapor_password
     ports:
       - 3306:3306
+  mariadb-10-3:
+    image: mariadb:10.3
+    environment:
+      MYSQL_ALLOW_EMPTY_PASSWORD: "true"
+      MYSQL_DATABASE: vapor_database
+      MYSQL_USER: vapor_username
+      MYSQL_PASSWORD: vapor_password
+    ports:
+      - 3306:3306