[gravypod]

Docker might not seem very impactful if you use Linux on your computer with a handful of apps. If you're shipping software from 20 different teams, half of them extremely drowned in tech debt, and all not being very respectful of each other's resources containerization is a great way to get isolation & system configuration locked down in an extremely low effort way while also giving your engineers an extremely ergonomic development environment that directly mirrors production.

If anyone's migrated software that someone who has left the company installed on a random VM to a new data center you'll know the pain of not being able to do this hermetically.