Initial commit

flake.nix

@@ -0,0 +1,24 @@
+{
+  description = "Minimal NixOS Docker Swarm server";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+  };
+
+  outputs = { self, nixpkgs, ... }@inputs: {
+    nixosConfigurations.server = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      specialArgs = { inherit inputs; };
+      modules = [
+        ./configuration.nix
+        {
+          nix.settings.experimental-features = [ "nix-command" "flakes" ];
+          nix.registry.nixpkgs.flake = nixpkgs;
+          nix.nixPath = [ "nixpkgs=flake:nixpkgs" ];
+        }
+      ];
+    };
+
+    formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
+  };
+}