You can make reproducible environments with tools like http://www.vagrantup.com http://www.vagrantup.com or http://www.docker.com http://www.docker.com, you can

You can make reproducible environments with tools like http://www.vagrantup.com http://www.vagrantup.com or http://www.docker.com http://www.docker.com, you can create online workspaces using sites like https://www.c9.io https://www.c9.io and any other online IDE. I've found vagrant to be particularly satisfying because it assigns a virtual machine to a directory and you can easily jump in to the vm to manually get it to the state you want.