Metrics

Name	Type	Labels
spegel_advertised_images	Gauge	`registry`
spegel_resolve_duration_seconds	Histogram	`router`
spegel_advertised_keys	Gauge	`registry`
spegel_advertised_image_tags	Gauge	`registry`
spegel_advertised_image_digests	Gauge	`registry`
spegel_mirror_requests_total	Counter	`registry` `cache=hit\|miss` `source=internal\|external`
http_request_duration_seconds	Histogram	`handler` `method` `code`
http_response_size_bytes	Histogram	`handler` `method` `code`
http_requests_inflight	Gauge	`handler`