Create volume for MySQL Database fixes #47

docker-compose.yml

@@ -17,6 +17,8 @@ services:
       - "MYSQL_PASSWORD=example"
       - "MYSQL_ROOT_PASSWORD=password"
       - "MYSQL_DATABASE=misp"
+    volumes:
+      - mysql_data:/var/lib/mysql
 
   misp:
     image: coolacid/misp-docker:core-latest
@@ -55,3 +57,5 @@ services:
       - redis
       - db
 
+volumes:
+    mysql_data: