* test(kubernetes): use testcontainers for test
* fix(kubernetes): get state properly reports the workload as down when scaled to 0
* refactor(kubernetes): split provider in multiple files
* refactor(provider): use Instance prefix for actions
* test(testcontainers): use provider.PullImage
* squash
* Revert "test(testcontainers): use provider.PullImage"
This reverts commit 6f958c48a5.
* test: add random generator thread safety
This features adds rfc7807 Problem detail responses when an error happens processing a request.
This will greatly improve the common issues with "blank pages" and "404 pages" issues which should now properly tell the user what input was wrong (group that does not exist, container name that does not exist, etc.)
