The cool thing is: new production-like environments are deployed for every Git branch I create. When I'm working on an issue, I create a new branch associated with that issue, which will set up a new environment in which that issue's fix can be tested in isolation.
All this is powered by freely available open source tools. More info at my blog: https://vincenttunru.com/fearless-deployments/
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!