Vagrant lets you build isolated virtual environments for your apps.
Heroku is a web hosting platform supporting many languages, and this guide is a reference to Heroku’s command-line interface.
Quick reference for Travis CI yaml configuration. See official documentation.
Collection of cheat sheets on the Ansible platform: quickstart, examples, roles, modules ...
Collection of engineering cheat sheets - whether you're a front-end developer, backend developer, DevOps engineer, systems engineer or anything else, we're here to help you code faster with developer cheat sheets.