diff --git a/flake.lock b/flake.lock
index daaff8e..dee8d09 100644
--- a/flake.lock
+++ b/flake.lock
@@ -36,6 +36,85 @@
         "type": "github"
       }
     },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1627913399,
+        "narHash": "sha256-hY8g6H2KFL8ownSiFeMOjwPC8P0ueXpCVEbxgda3pko=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "12c64ca55c1014cdc1b16ed5a804aa8576601ff2",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-compat",
+        "type": "indirect"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1631561581,
+        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "gitignore-nix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1611672876,
+        "narHash": "sha256-qHu3uZ/o9jBHiA3MEKHJ06k7w4heOhA+4HCSIvflRxo=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "211907489e9f198594c0eb0ca9256a1949c9d412",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "lowdown-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1632468475,
+        "narHash": "sha256-NNOm9CbdA8cuwbvaBHslGbPTiU6bh1Ao+MpEPx4rSGo=",
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "rev": "6bd668af3fd098bdd07a1bedd399564141e275da",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "type": "github"
+      }
+    },
+    "nix": {
+      "inputs": {
+        "lowdown-src": "lowdown-src",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1633098935,
+        "narHash": "sha256-UtuBczommNLwUNEnfRI7822z4vPA7OoRKsgAZ8zsHQI=",
+        "owner": "nixos",
+        "repo": "nix",
+        "rev": "4f496150eb4e0012914c11f0a3ff4df2412b1d09",
+        "type": "github"
+      },
+      "original": {
+        "id": "nix",
+        "type": "indirect"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1632086102,
@@ -68,10 +147,62 @@
         "type": "github"
       }
     },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1632864508,
+        "narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-21.05-small",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1632495107,
+        "narHash": "sha256-4NGE56r+FJGBaCYu3CTH4O83Ys4TrtnEPXrvdwg1TDs=",
+        "owner": "serokell",
+        "repo": "nixpkgs",
+        "rev": "be220b2dc47092c1e739bf6aaf630f29e71fe1c4",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
     "root": {
       "inputs": {
         "deploy-rs": "deploy-rs",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_2",
+        "serokell-nix": "serokell-nix"
+      }
+    },
+    "serokell-nix": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "flake-utils": "flake-utils",
+        "gitignore-nix": "gitignore-nix",
+        "nix": "nix",
+        "nixpkgs": "nixpkgs_4"
+      },
+      "locked": {
+        "lastModified": 1637273221,
+        "narHash": "sha256-ByBCiWlVprVgYGGy2ma7W0DKbtp4Xmj7S5whFrIzO3Q=",
+        "owner": "serokell",
+        "repo": "serokell.nix",
+        "rev": "1649eceabbe6e148b3c1b322b716e873d312599f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "serokell.nix",
+        "type": "github"
       }
     },
     "utils": {
diff --git a/flake.nix b/flake.nix
index dbd4f70..6bdbd29 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,8 +3,9 @@
 
   inputs.deploy-rs.url = "github:serokell/deploy-rs";
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.serokell-nix.url = "github:serokell/serokell.nix";
 
-  outputs = { self, nixpkgs, deploy-rs }@inputs:
+  outputs = { self, nixpkgs, deploy-rs, serokell-nix }@inputs:
     let
       # Add default system
       system = "x86_64-linux";
@@ -34,7 +35,7 @@
       };
 
       # art starts here :D
-      hosts' = import ./common/hosts.nix;
+      hosts' = import ./hosts;
 
       # we only want nix hosts for this part, not all of the defined ones...
       nixHosts = (builtins.filter ({ nix ? true, ... }: nix) hosts');
@@ -65,6 +66,16 @@
 
       deploy.nodes = nodes;
 
+      devShell.${system} = let
+        pkgs = serokell-nix.lib.pkgsWith nixpkgs.legacyPackages.${system} [ ];
+      in pkgs.mkShell {
+        buildInputs = [
+          deploy-rs.packages.${system}.deploy-rs
+          pkgs.vault
+          pkgs.nixUnstable
+        ];
+      };
+
       checks = builtins.mapAttrs
         (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
 
diff --git a/common/hosts.nix b/hosts/default.nix
similarity index 100%
rename from common/hosts.nix
rename to hosts/default.nix
diff --git a/hosts/dns/configuration.nix b/hosts/dns/configuration.nix
index a040783..67bfda7 100644
--- a/hosts/dns/configuration.nix
+++ b/hosts/dns/configuration.nix
@@ -1,5 +1,6 @@
 { config, pkgs, ... }:
-let hosts = import ../../common/hosts.nix;
+# can i just say that i hate this
+let hosts = import ../.;
 in {
   imports = [
     # Import common config
@@ -7,9 +8,7 @@ in {
     ../../common
   ];
 
-  networking = {
-    hostName = "dns";
-  };
+  networking.hostName = "dns";
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions