root@dokku:~/dokku# dokku config node-js-app
=====> node-js-app config vars
DATABASE_URL:      mysql://mysql:ba1c37be637af4e0@dokku-mysql-lolipop:3306/lolipop
DOKKU_APP_RESTORE: 1
DOKKU_NGINX_PORT:  80
root@dokku:~/dokku# dokku enter node-js-app web
u2074@ba9a4cb55e26:~$ env | grep -i mysql
DOKKU_MYSQL_LOLIPOP_PORT_3306_TCP_ADDR=172.17.0.3
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_USER=mysql
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_PASSWORD=ba1c37be637af4e0
DOKKU_MYSQL_LOLIPOP_PORT=tcp://172.17.0.3:3306
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_VERSION=5.7.10-1debian8
DOKKU_MYSQL_LOLIPOP_PORT_3306_TCP_PROTO=tcp
DOKKU_MYSQL_LOLIPOP_PORT_3306_TCP_PORT=3306
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_ROOT_PASSWORD=6b0e39cf218de92d
DOKKU_MYSQL_LOLIPOP_NAME=/drunk_payne/dokku-mysql-lolipop
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_DATABASE=lolipop
DOKKU_MYSQL_LOLIPOP_PORT_3306_TCP=tcp://172.17.0.3:3306
DOKKU_MYSQL_LOLIPOP_ENV_MYSQL_MAJOR=5.7
DATABASE_URL=mysql://mysql:ba1c37be637af4e0@dokku-mysql-lolipop:3306/lolipop
u2074@ba9a4cb55e26:~$ telnet dokku-mysql-lolipop 3306
Trying 172.17.0.3...
Connected to dokku-mysql-lolipop.
Escape character is '^]'.
J
5.7.10EE,3E9SB. T
                 ,K-mysql_native_password

!#08S01Got packets out of orderConnection closed by foreign host.
u2074@ba9a4cb55e26:~$