diff --git a/nix/modules/default/cs/admin-api.nix b/nix/modules/default/cs/admin-api.nix
index 2d3ad2f2a..c19e6ea58 100644
--- a/nix/modules/default/cs/admin-api.nix
+++ b/nix/modules/default/cs/admin-api.nix
@@ -59,6 +59,7 @@ in
       );
       serviceConfig = {
         ExecStart = "${self.packages.${pkgs.stdenv.hostPlatform.system}.Spacebar-AdminApi}/bin/Spacebar.AdminApi";
+        Slice = "system-spacebar.slice";
       };
     };
   };
diff --git a/nix/modules/default/cs/cdn-cs.nix b/nix/modules/default/cs/cdn-cs.nix
index 6327c7cfe..59140138e 100644
--- a/nix/modules/default/cs/cdn-cs.nix
+++ b/nix/modules/default/cs/cdn-cs.nix
@@ -54,6 +54,7 @@ in
       );
       serviceConfig = {
         ExecStart = "${self.packages.${pkgs.stdenv.hostPlatform.system}.Spacebar-AdminApi}/bin/Spacebar.AdminApi";
+        Slice = "system-spacebar.slice";
       };
     };
   };
diff --git a/nix/modules/default/cs/offload-cs.nix b/nix/modules/default/cs/offload-cs.nix
index 72324f180..a321ab9a1 100644
--- a/nix/modules/default/cs/offload-cs.nix
+++ b/nix/modules/default/cs/offload-cs.nix
@@ -84,6 +84,7 @@ in
       );
       serviceConfig = {
         ExecStart = "${lib.getExe self.packages.${pkgs.stdenv.hostPlatform.system}.Spacebar-Offload}";
+        Slice = "system-spacebar.slice";
       };
     };
   };
diff --git a/nix/modules/default/cs/uapi.nix b/nix/modules/default/cs/uapi.nix
index 23f220ecf..50fe49c68 100644
--- a/nix/modules/default/cs/uapi.nix
+++ b/nix/modules/default/cs/uapi.nix
@@ -60,6 +60,7 @@ in
       );
       serviceConfig = {
         ExecStart = "${self.packages.${pkgs.stdenv.hostPlatform.system}.Spacebar-UApi}/bin/Spacebar.UApi";
+        Slice = "system-spacebar.slice";
       };
     };
   };
diff --git a/nix/modules/default/default.nix b/nix/modules/default/default.nix
index 12abfe777..6c7a6772e 100644
--- a/nix/modules/default/default.nix
+++ b/nix/modules/default/default.nix
@@ -106,6 +106,11 @@ in
   // secrets.options;
 
   config = lib.mkIf cfg.enable {
+    systemd.slices.system-spacebar = {
+      description = "Spacebar server";
+      documentation = [ "https://docs.spacebar.chat"];
+    };
+
     services.spacebarchat-server.uApi.extraConfiguration.Spacebar.UApi.FallbackApiEndpoint = "http://127.0.0.1:${toString cfg.apiEndpoint.localPort}";
 
     systemd.services.spacebar-api = makeServerTsService {
@@ -128,6 +133,7 @@ in
       serviceConfig = {
         ExecStart = "${cfg.package}/bin/start-api";
         Type = "notify";
+        Slice = "system-spacebar.slice";
       };
     };
 
@@ -153,6 +159,7 @@ in
       serviceConfig = {
         ExecStart = "${cfg.package}/bin/start-gateway";
         Type = "notify";
+        Slice = "system-spacebar.slice";
       };
     };
 
@@ -177,6 +184,7 @@ in
       serviceConfig = {
         ExecStart = "${cfg.package}/bin/start-cdn";
         Type = "notify";
+        Slice = "system-spacebar.slice";
       };
     });
   };
diff --git a/nix/modules/default/gw-sharding.nix b/nix/modules/default/gw-sharding.nix
index 8e79dc788..45f4e1a58 100644
--- a/nix/modules/default/gw-sharding.nix
+++ b/nix/modules/default/gw-sharding.nix
@@ -21,34 +21,44 @@ in
     };
   };
 
-  config = lib.mkIf cfg.enable {
-    systemd.services = builtins.listToAttrs (
-      map (port: {
-        name = "spacebar-gateway-${toString port}";
-        value = makeServerTsService {
-          description = "Spacebar Server - Gateway (extra port ${toString port})";
-          # after = [ "spacebar-api.service" ];
-          environment = builtins.mapAttrs (_: val: builtins.toString val) (
-            {
-              # things we set by default...
-              EVENT_TRANSMISSION = "unix";
-              EVENT_SOCKET_PATH = "/run/spacebar/";
-            }
-            // cfg.extraEnvironment
-            // {
-              # things we force...
-              CONFIG_PATH = configFile;
-              CONFIG_READONLY = 1;
-              PORT = toString port;
-              STORAGE_LOCATION = cfg.cdnPath;
-              APPLY_DB_MIGRATIONS = "false";
-            }
-          );
-          serviceConfig = {
-            ExecStart = "${cfg.package}/bin/start-gateway";
+  config = lib.mkIf (builtins.any (_: true) cfg.extraGatewayPorts) {
+    systemd.slices.system-spacebar-gateway = {
+      description = "Spacebar server (gateway shards)";
+      documentation = [ "https://docs.spacebar.chat" ];
+    };
+
+    systemd.services =
+      builtins.listToAttrs (
+        map (port: {
+          name = "spacebar-gateway-${toString port}";
+          value = makeServerTsService {
+            description = "Spacebar Server - Gateway (extra port ${toString port})";
+            # after = [ "spacebar-api.service" ];
+            environment = builtins.mapAttrs (_: val: builtins.toString val) (
+              {
+                # things we set by default...
+                EVENT_TRANSMISSION = "unix";
+                EVENT_SOCKET_PATH = "/run/spacebar/";
+              }
+              // cfg.extraEnvironment
+              // {
+                # things we force...
+                CONFIG_PATH = configFile;
+                CONFIG_READONLY = 1;
+                PORT = toString port;
+                STORAGE_LOCATION = cfg.cdnPath;
+                APPLY_DB_MIGRATIONS = "false";
+              }
+            );
+            serviceConfig = {
+              ExecStart = "${cfg.package}/bin/start-gateway";
+              Slice = "system-spacebar-gateway.slice";
+            };
           };
-        };
-      }) cfg.extraGatewayPorts
-    );
+        }) cfg.extraGatewayPorts
+      )
+      // {
+        "spacebar-gateway".serviceConfig.Slice = "system-spacebar-gateway.slice";
+      };
   };
 }
diff --git a/nix/modules/default/pion-sfu.nix b/nix/modules/default/pion-sfu.nix
index cd8c88cb1..523f2971c 100644
--- a/nix/modules/default/pion-sfu.nix
+++ b/nix/modules/default/pion-sfu.nix
@@ -70,6 +70,7 @@ in
       serviceConfig = {
         ExecStart = "${cfg.package}/bin/start-webrtc";
         Type = "notify";
+        Slice = "system-spacebar.slice";
       };
     };
 
@@ -77,6 +78,7 @@ in
       description = "Spacebar Server - Pion SFU";
       serviceConfig = {
         ExecStart = "${lib.getExe cfg.pion-sfu.package} -ip ${cfg.pion-sfu.publicIp} -port ${toString cfg.pion-sfu.listenPort}";
+        Slice = "system-spacebar.slice";
       };
     };
   };