[logicalmonster]

1) Just learn it on your own and embellish your experience. Your new employer is not going to contact your previous employer and ask for details about their containers.

2) Many jobs use containers, but if you get out of the high-tech bubble, you'll find plenty of lower tech companies that haven't even started looking at containers. You'll be just fine with the right company.

[lovich]

Too add onto that, even a lot of shops that use containers are set up in a way where the resident container expert is configuring everything and the rest of the engineers just need to be able to do some basics like `docker compose up` or `docker compose down`

i.e. stuff you can learn in a few hours of tutorials and then building some toy project to exercise the skill