This module enables a simple health check.
By default it will listen on port 8080.
Restarting CoreDNS will stop the health checking. This is a bug. Also this upstream Caddy bug.
Optionally takes an address; the default is
:8080. The health path is fixed to
will just return "OK" when CoreDNS is healthy.
This middleware only needs to be enabled once.
There is no documentation for this package.