Gather caddy metrics

services/http-proxy/proxy.nix

@@ -5,6 +5,9 @@
     configFile = pkgs.writeText "Caddyfile" ''
       {
         acme_ca https://ca.home.2rjus.net/acme/acme/directory
+        servers {
+          metrics
+        }
       }
 
       nzbget.home.2rjus.net {

services/monitoring/prometheus.nix

@@ -152,6 +152,14 @@
           }
         ];
       }
+      {
+        job_name = "caddy";
+        static_configs = [
+          {
+            targets = [ "http-proxy.home.2rjus.net:2019" ];
+          }
+        ];
+      }
     ];
   };
 }