hosts/vps1: re-enable jellyfin

hosts/vps1/nginx.nix

@@ -130,15 +130,25 @@ in
       "jellyfin.vimium.com" = {
         forceSSL = true;
         enableACME = true;
-        extraConfig = nginxEdgeHeaders + ''
+        extraConfig = nginxErrorPages + nginxEdgeHeaders;
-          error_page 503 /maintenance.html;
-        '';
-        locations."/maintenance.html" = {
-          root = "/var/www/html";
-          extraConfig = "internal; default_type text/html;";
-        };
         locations."/" = {
-          return = "503";
+          proxyPass = "http://jellyfin";
+          extraConfig = ''
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header Host $host;
+
+            proxy_set_header Range $http_range;
+            proxy_set_header If-Range $http_if_range;
+
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+          '';
+        };
+        locations."/metrics" = {
+          return = "404";
         };
       };