I still develop with localhost, but instead of running my Rails apps on my Arch machine’s ruby install, using Arch’s postgres, etc. I run everything in docker c

I still develop with localhost, but instead of running my Rails apps on my Arch machine’s ruby install, using Arch’s postgres, etc. I run everything in docker containers based on the same version of Debian as production. This catches almost all deployment issues ahead of time, and the rest are caught in the staging environment.