diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index f003868..7188e9b 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -46,9 +46,11 @@
     curl
     fd
     firefox
+    fzf
     gcc
     git
     htop
+    helix
     ripgrep
     wget
     zsh
@@ -56,6 +58,10 @@
 
   environment.homeBinInPath = true;
   
+  environment.variables = {
+    EDITOR = "hx";
+  };
+
   programs.zsh = {
     enable = true;
     ohMyZsh = {
diff --git a/hosts/dingserver/prometheus.nix b/hosts/dingserver/prometheus.nix
new file mode 100644
index 0000000..85e5844
--- /dev/null
+++ b/hosts/dingserver/prometheus.nix
@@ -0,0 +1,23 @@
+{ config, pkgs, lib, ... }:
+
+{
+  services.grafana = {
+   enable = true;
+  };
+
+  services.prometheus = {
+    enable = true;
+    exporters = {
+    };
+
+    scrapeConfigs = [
+      {
+        job_name = "synapse";
+        metrics_path = "/_synapse/metrics";
+        static_configs = [{
+          targets = ["localhost:9000"];
+        }];
+      }
+    ];
+  };
+}