They have expertise and have visibility. If I were them, I would extend docker-compose with a cloud version that runs flawlessly including stateful workloads with backup and restors and charge for that. Heroku but even more simplified.

You change your docker-compose, push and we detect via webhook and deploy. Logs, metrices everything from command line with bubble tee or something.

Most companies have brilliant engineers and shortsighted, incompetent out of touch product teams.