There is no better boost to productivity when starting at a new place than having a working dev environment in VMs or containers. Bonus points if it comes with

There is no better boost to productivity when starting at a new place than having a working dev environment in VMs or containers. Bonus points if it comes with sensible config defaults and can be started with a single command. This is one of those things that immediately pays dividends as soon as more than one person works on a codebase. No need for everyone to rediscover independently how to get a complex app running locally.