enable gitea and give it a subdomain

configuration.nix

@@ -54,6 +54,10 @@ in
     Defaults        timestamp_timeout=120
   '';
 
+  services.gitea = {
+    enable = true;
+  };
+
   services.logind.settings.Login = {
     HandleLidSwitch = "ignore";
   };
@@ -140,6 +144,18 @@ in
           };
         };
       };
+      "git.${domainName}" = {
+        forceSSL = true;
+        useACMEHost = "${domainName}";
+        locations = {
+          "/" = {
+            proxyPass = "http://localhost:3000";
+          };
+          "/.well-known/acme-challenge" = {
+            root = "/var/lib/acme/.challenges";
+          };
+        };
+      };
     };
   };
   security.acme = {
@@ -151,6 +167,7 @@ in
         webroot = "/var/lib/acme/.challenges";
         group = config.services.nginx.group;
         extraDomainNames = [
+          "git.${domainName}"
           "jellyfin.${domainName}"
           "www.${domainName}"
         ];