Adds prometheus exporter configuration to KAS
Summary
We should ensure that the KAS nodes are setup to output Prometheus metrics, as well as annotated to be scraped by Prometheus.
See reference MR for the Gitaly metrics implementation: !274 (merged)
Current behavior
No metrics are exposed
Expected behavior
- Add prometheus port for container
- Followup: #2407 (closed)
Edited by Thong Kuah