Implement basic database access and login

docker-compose.yml

@@ -17,8 +17,11 @@ services:
     image: mariadb
     env_file:
       - .env.develop
+    ports:
+      - 13306:3306
     volumes:
       - db_data:/var/lib/mysql
+      - ./sql/init_tables.sql:/docker-entrypoint-initdb.d/init_tables.sql:ro
 
   adminer:
     image: adminer