diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..7680158
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,21 @@
+{
+  inputs = { 
+    nixpkgs.url = github:NixOS/nixpkgs/nixos-21.11;
+    sops-nix.url = github:Mic92/sops-nix;
+    sops-nix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+  outputs = { self, nixpkgs, sops-nix, ... }@inputs: 
+  let
+    overlays = [
+    ];
+  in {
+    nixosConfigurations.brine = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      specialArgs = { inherit inputs; };
+      modules = [
+        ./hosts/birne/configuration.nix
+        ( _: { nixpkgs.overlays = overlays; } )
+      ];
+    };
+  };
+}