Merge pull request #303 from piotrkwiecinski/mysql-max-allowed-packet

increase mysql max_allowed_packet from 4m to 64m

compose/docker-compose.yml

@@ -28,6 +28,7 @@ services:
 
   db:
     image: percona:5.7
+    command: --max_allowed_packet=64M
     ports:
       - "3306:3306"
     env_file: env/db.env