Nix support for building

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..fb30e6c
--- /dev/null
+++ b/.envrc

@@ -0,0 +1,4 @@
+# shellcheck shell=bash
+set -eu
+
+use flake

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..92b2793
--- /dev/null
+++ b/.gitignore

@@ -0,0 +1 @@
+.direnv

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..5f9a456
--- /dev/null
+++ b/flake.lock

@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1751285371,
+        "narHash": "sha256-/hDU+2AUeFFu5qGHO/UyFMc4UG/x5Cw5uXO36KGTk6c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b9c03fbbaf84d85bb28eee530c7e9edc4021ca1b",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..5aa67d3
--- /dev/null
+++ b/flake.nix

@@ -0,0 +1,15 @@
+{
+  description = "GoProFS";
+  nixConfig.bash-prompt = "\[gopro-fs\]$ ";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let pkgs = nixpkgs.legacyPackages.${system}; in
+        {
+          devShells.default = import ./shell.nix { inherit pkgs; };
+        }
+      );
+}

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..8c3ed9b
--- /dev/null
+++ b/shell.nix

@@ -0,0 +1,11 @@
+{ pkgs ? import <nixpkgs> { } }:
+with pkgs;
+mkShell {
+  buildInputs = [
+    go
+    gotools
+  ];
+
+  shellHook = ''
+  '';
+}