I am oldschool so I got my own infrastructure. not really hard to do and with a bit of configuration it's possible to keep it safe and maintainable. And I can run my own virtual clusters in the background. lxc, kvm, rkt etc to the rescue so to speak.
but .... well you can say one of my side-projects is my infrastructure. If you're not interested in the overhead it provides (which I do understand not everyone really wants to know everything - like I do).
aka:

I don't know maybe you can also access free shared hosting services ;D ....