Turn your old Android phone into a web server

Do you use a clumsy old desktop as a dev box? Throwing money in the cloud every month? Throw it all away and use an old phone instead

- if you prefer a very specific environment and its limitations.

The instructions focus on Ruby frames, but once you have Termux and run the more generic LAMP stack, it's definitely gone.  

If you want to live dangerously, you can expose it to the internet

If you've seen Mr. Robot, you know the Internet can be a dangerous place.

This is even more true if you have a web server open to the internet.

 Within hours of opening the server, he was climbing from everything