migrate server configs

servers/flake.nix

@@ -0,0 +1,29 @@
+{
+  description = "The flake that describes my server configurations";
+
+  inputs.deploy-rs.url = "github:serokell/deploy-rs";
+
+  outputs =
+    { self
+    , nixpkgs
+    , deploy-rs
+    ,
+    }:
+    {
+      nixosConfigurations.lunasa = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [ ./lunasa/configuration.nix ];
+      };
+
+      deploy.nodes.lunasa = {
+        hostname = "lina.cool";
+        sshUser = "root";
+        profiles.system = {
+          user = "root";
+          path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.lunasa;
+        };
+      };
+
+      checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
+    };
+}