Add CoreDNS 1.8.0 compatability

coredns / rrl

Response Rate Limiting Plugin for CoreDNS

Apache License 2.0

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Add CoreDNS 1.8.0 compatability #23

Closed RemcodM closed 3 years ago

RemcodM commented 3 years ago

The PR title says it all ;)

This PR adds compatibility for CoreDNS 1.8.0 by registering metrics using promauto and by using github.com/coredns/caddy instead of github.com/caddyserver/caddy.