The wp-config.php file is an essential part of your WordPress site. It’s the bridge between the file system of your site and your database because… it contains your username and password.
Launching your WordPress site is just the beginning of its life on the web. You’ve conceived and birthed your baby… but now you're in charge of feeding and protecting it.
Jetpack remains a polarizing plugin amongst developers so it’s not often discussed on developer-oriented blogs.