diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..fa2721b
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,41 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1629445995,
+        "narHash": "sha256-Kc3ro3Df1Wn7p1EkZ1kbJR6UU1U0TB6RKaf+hpXfsys=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4e07a002c3a81cd39dc999d0f98b906fb3a718bd",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1629284811,
+        "narHash": "sha256-JHgasjPR0/J1J3DRm4KxM4zTyAj4IOJY8vIl75v/kPI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c5d161cc0af116a2e17f54316f0bf43f0819785c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..7177b24
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,33 @@
+{
+  description = "";
+
+  inputs = {
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages."${system}";
+      lib = pkgs.lib;
+    in rec {
+      # `nix build`
+      packages.telegram = pkgs.buildGoModule rec {
+        name = "telegram-bot";
+        src = ./telegram-bot;
+
+        vendorSha256 = "sha256-NBY2T0Jj5f9XMoc0hleituKHFf+9AFq056a/EpCsuXo=";
+      };
+      defaultPackage = packages.telegram;
+
+      # `nix run`
+      apps.telegram = utils.lib.mkApp {
+        drv = packages.telegram;
+      };
+      defaultApp = apps.telegram;
+
+      # `nix develop`
+      devShell = pkgs.mkShell {
+        nativeBuildInputs = with pkgs; [ go ];
+      };
+    });
+}