diff --git a/users/ellmau/conf/xmonad/.envrc b/users/ellmau/conf/xmonad/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/users/ellmau/conf/xmonad/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/users/ellmau/conf/xmonad/flake.lock b/users/ellmau/conf/xmonad/flake.lock
new file mode 100644
index 0000000..6efa0bf
--- /dev/null
+++ b/users/ellmau/conf/xmonad/flake.lock
@@ -0,0 +1,112 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils-plus": {
+      "inputs": {
+        "flake-utils": "flake-utils_2"
+      },
+      "locked": {
+        "lastModified": 1657226504,
+        "narHash": "sha256-GIYNjuq4mJlFgqKsZ+YrgzWm0IpA4axA3MCrdKYj7gs=",
+        "owner": "gytis-ivaskevicius",
+        "repo": "flake-utils-plus",
+        "rev": "2bf0f91643c2e5ae38c1b26893ac2927ac9bd82a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gytis-ivaskevicius",
+        "repo": "flake-utils-plus",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1644229661,
+        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1681269223,
+        "narHash": "sha256-i6OeI2f7qGvmLfD07l1Az5iBL+bFeP0RHixisWtpUGo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "87edbd74246ccdfa64503f334ed86fa04010bab9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1681303793,
+        "narHash": "sha256-JEdQHsYuCfRL2PICHlOiH/2ue3DwoxUX7DJ6zZxZXFk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fe2ecaf706a5907b5e54d979fbde4924d84b65fc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "flake-utils-plus": "flake-utils-plus",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/users/ellmau/conf/xmonad/flake.nix b/users/ellmau/conf/xmonad/flake.nix
new file mode 100644
index 0000000..661851d
--- /dev/null
+++ b/users/ellmau/conf/xmonad/flake.nix
@@ -0,0 +1,47 @@
+{
+  description = "basic tool setup flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils-plus.url = "github:gytis-ivaskevicius/flake-utils-plus";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    nixpkgs-unstable,
+    flake-utils,
+    flake-utils-plus,
+    ...
+  } @ inputs:
+    {}
+    // (flake-utils.lib.eachDefaultSystem (
+      system: let
+        unstable = import nixpkgs-unstable {
+          inherit system;
+        };
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+      in rec {
+        devShell = pkgs.mkShell {
+          name = "xmonad";
+          nativeBuildInputs = [
+            # add packages here, like
+            # pkgs.clingo
+            (pkgs.ghc.withPackages
+              (haskellPackages: [
+                haskellPackages.dbus
+                haskellPackages.monad-logger
+                haskellPackages.hostname
+                haskellPackages.xmonad
+                haskellPackages.xmonad-contrib
+              ]))
+            pkgs.haskell-language-server
+          ];
+        };
+      }
+    ));
+}