diff --git a/contrib/.gitignore b/contrib/.gitignore
new file mode 100644
index 0000000..681ba5b
--- /dev/null
+++ b/contrib/.gitignore
@@ -0,0 +1,2 @@
+# `nix build` output
+/result
diff --git a/contrib/flake.lock b/contrib/flake.lock
new file mode 100644
index 0000000..428b670
--- /dev/null
+++ b/contrib/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1745742390,
+        "narHash": "sha256-1rqa/XPSJqJg21BKWjzJZC7yU0l/YTVtjRi0RJmipus=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "26245db0cb552047418cfcef9a25da91b222d6c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/contrib/flake.nix b/contrib/flake.nix
new file mode 100644
index 0000000..338b98a
--- /dev/null
+++ b/contrib/flake.nix
@@ -0,0 +1,41 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  };
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems f;
+      outputsBySystem = forAllSystems (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          packages = {
+            default = pkgs.buildGo124Module {
+              pname = "cocoon";
+              version = "0.1.0";
+              src = ../.;
+              vendorHash = "sha256-kFwd2FnOueEOg/YRTQ8c7/iAO3PoO3yzWyVDFu43QOs=";
+              meta.mainProgram = "cocoon";
+            };
+          };
+          devShells = {
+            default = pkgs.mkShell {
+              buildInputs = [
+                pkgs.go_1_24
+                pkgs.gopls
+                pkgs.gotools
+                pkgs.go-tools
+              ];
+            };
+          };
+        });
+      mergeOutputs = outputType:
+        nixpkgs.lib.mapAttrs (system: systemOutputs: systemOutputs.${outputType} or {}) outputsBySystem;
+    in
+    {
+      packages = mergeOutputs "packages";
+      devShells = mergeOutputs "devShells";
+    };
+}