Setup mail server and restructure some things

config/hosts/metrics/nginx.nix

@@ -0,0 +1,27 @@
+{ config, ... }:
+{
+  services.nginx = {
+    enable = true;
+    virtualHosts = {
+      ${config.services.grafana.settings.server.domain} = {
+        forceSSL = true;
+        enableACME = true;
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 80;
+          }
+          {
+            addr = "0.0.0.0";
+            port = 443;
+            ssl = true;
+          }
+        ];
+        locations."/" = {
+          proxyPass = "http://${config.services.grafana.settings.server.http_addr}:${builtins.toString config.services.grafana.settings.server.http_port}";
+          proxyWebsockets = true;
+        };
+      };
+    };
+  };
+}