Evaluating the risks of vendor lock-in is a buyer's task, unless it is a protected market or there is a monopoly abuse involved.
In this case, nobody forced (generic) you to use Bitnami's Docker images, you probably just thought "how convenient, always updated and easy to pull, one less thing to worry about". Which is fine, but it's always a bet on what will happen in the future.
In this case, nobody forced (generic) you to use Bitnami's Docker images, you probably just thought "how convenient, always updated and easy to pull, one less thing to worry about". Which is fine, but it's always a bet on what will happen in the future.