Sever/gitea: migrate to forgejo

roles/server/forgejo.nix

@@ -0,0 +1,34 @@
+{ config, lib, ... }:
+
+{
+  specialisation.forgejoEnableRegistration.configuration.services.forgejo.settings.service.DISABLE_REGISTRATION = false;
+  services.forgejo = {
+    enable = true;
+    settings = {
+      server = {
+        DISABLE_REGISTRATION = lib.mkDefault true;
+        ROOT_URL = "http://git.everest.sable-pancake.ts.net";
+      };
+    };
+  };
+
+  # Add a cname for forgejo
+  services.dnsmasq.settings.cname = [ "git.everest.sable-pancake.ts.net,everest" ];
+
+  # Set up traefik as the reverse proxy for Forgejo
+  services.traefik = {
+    dynamicConfigOptions = {
+      http = {
+        routers = {
+          forgejo-subpath = {
+            rule = "Host(`git.everest.sable-pancake.ts.net`)";
+            service = "forgejo";
+          };
+        };
+        services.forgejo.loadBalancer.servers = [
+          { url = "http://localhost:${toString config.services.forgejo.settings.server.HTTP_PORT}"; }
+        ];
+      };
+    };
+  };
+}