# Install
sudo apt-get install mariadb-server

# Secure the server
sudo mysql_secure_installation

# vim /root/.my.cnf and place the following
[mysql]
user=root
password=...

# Create our actual app user
mysql
> CREATE USER 'deploy'@'localhost' IDENTIFIED BY '...';
> GRANT ALL PRIVILEGES on * . * to 'deploy'@'localhost';
> flush privileges;

# Now you can portforward
ssh deploy@IPGOESHERE -L 3306:127.0.0.1:3306'

# Develop locally and use the database