Remote builds using boss-baby, Plasma beta, enable btrfs zstd compression

configuration.nix

@@ -6,6 +6,7 @@
   config,
   lib,
   pkgs,
+  pkgs-plasma-beta,
   ...
 }:
 
@@ -15,11 +16,33 @@
     ./hardware-configuration.nix
   ];
 
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
+  nixpkgs.overlays = [
+    (self: super: {
+      kdePackages = pkgs-plasma-beta.kdePackages;
+    })
   ];
 
+  nix = {
+    settings = {
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+      builders-use-substitutes = true;
+      max-jobs = 0;
+    };
+    distributedBuilds = true;
+    buildMachines = [
+      {
+        hostName = "boss-baby";
+        sshUser = "root";
+        protocol = "ssh-ng";
+        system = pkgs.stdenv.hostPlatform.system;
+        maxJobs = 4;
+      }
+    ];
+  };
+
   boot = {
     loader = {
       # Use the systemd-boot EFI boot loader.
@@ -31,6 +54,10 @@
     kernelPackages = pkgs.linuxPackages_latest;
   };
 
+  fileSystems."/".options = [
+    "compress=zstd"
+  ];
+
   networking = {
     hostName = "chromatic-aberration";
     networkmanager.enable = true;