volkean

Hi @j256 ! That would be great to add a configuration parameter for "endpoint-url" as @Romez said to support localstack. Would you welcome a pull request if I contribute for...

If you install by `helm upgrade --install prometheus-adapter prometheus-community/prometheus-adapter` then it will show only custom metrics but if you enable external rules like `helm upgrade --install prometheus-adapter prometheus-community/prometheus-adapter --set-json rules.external=[{}]`...