making grafana work

flake.nix

@@ -83,6 +83,7 @@
             ./modules/hedgedoc.nix
             ./modules/padlist.nix
             ./modules/nextcloud.nix
+            ./modules/monitoring.nix
             ./modules/vaultwarden.nix
             ./modules/forgejo
             ./modules/kanboard.nix

modules/monitoring.nix

@@ -1,23 +1,51 @@
 { config, pkgs, ... }:
-  let 
-    domain = "monitoring.${config.networking.domain}";
-  in {
-    # grafana configuration
-    services.grafana = {
-      enable = true;
-      port = 2342;
-    };
-    
-    services.prometheus = {
-      enable = true;
-      port = 9001;
+let
+  domain = "monitoring.${config.networking.domain}";
+in
+{
+  # grafana configuration
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        inherit domain;
+        http_addr = "127.0.0.1";
+        http_port = 2342;
+      };
+      database = {
+        type = "postgres";
+        user = "grafana";
+        host = "/run/postgresql";
+      };
+
     };
 
-    # nginx reverse proxy
-    services.nginx.virtualHosts.${domain} = {
-      locations."/" = {
-          proxyPass = "http://localhost:${toString config.services.grafana.port}";
-          proxyWebsockets = true;
-      };
+
+  };
+
+  services.postgresql = {
+    enable = true;
+    ensureUsers = [
+      {
+        name = "grafana";
+        ensurePermissions = {
+          "DATABASE grafana" = "ALL PRIVILEGES";
+        };
+      }
+    ];
+    ensureDatabases = [ "grafana" ];
+  };
+
+  services.prometheus = {
+    enable = true;
+    port = 9001;
+  };
+
+  # nginx reverse proxy
+  services.nginx.virtualHosts.${domain} = {
+    locations."/" = {
+      proxyPass = "http://localhost:${toString config.services.grafana.port}";
+      proxyWebsockets = true;
     };
+  };
 }