diff --git a/docker-compose.yml b/docker-compose.yml
index 0c3d87b..3224544 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,9 +22,9 @@ services:
   mariadb:
     image: mariadb:latest
     environment:
-      MYSQL_ROOT_PASSWORD: password
-      MYSQL_DATABASE: 22hack16
+      - MYSQL_ROOT_PASSWORD=password
+      - MYSQL_DATABASE=22hack16
     command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_general_ci
     volumes:
-      - ./mysql/data:/var/lib/mysql:z
-      - ./mysql/init:/docker-entrypoint-initdb.d:z
+      - ./mysql/data:/var/lib/mysql
+      - ./mysql/init:/docker-entrypoint-initdb.d
diff --git a/mysql/init/create_db.sql b/mysql/init/create_db.sql
index 5fea2c5..18636bc 100644
--- a/mysql/init/create_db.sql
+++ b/mysql/init/create_db.sql
@@ -1,3 +1,14 @@
 DROP DATABASE IF EXISTS 22hack16;
 CREATE DATABASE 22hack16;
 USE 22hack16;
+
+CREATE TABLE IF NOT EXISTS `codes` (
+  `user_name` varchar(32) NOT NULL,
+  `hash` char(8) NOT NULL,
+  `plain_code` text NOT NULL,
+  `stdin` text NOT NULL,
+  `title` varchar(64) NOT NULL,
+  `options` text NOT NULL,
+  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY(`user_name`,`hash`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;