feat(nix): adding flake.nix for Nix support

.gitignore

@@ -51,3 +51,5 @@ ui.zip
 # local embedded frontend output for fast E2E runs
 internal/http/dist/*
 !internal/http/dist/.gitkeep
+
+result

README.md

@@ -14,9 +14,13 @@ If you've looked at Wiki.js or Outline and thought "this is too much to operate
 → If it fits, [a star](https://github.com/perber/leafwiki) helps others find it.
 
 ```bash
+# Docker
 docker run -p 8080:8080 -v ~/leafwiki-data:/app/data \
   ghcr.io/perber/leafwiki:latest \
   --jwt-secret=yoursecret --admin-password=yourpassword --allow-insecure=true
+
+# Nix
+nix run github:perber/leafwiki -- --help
 ```
 
 → [All install options](#install) (Docker Compose, Linux installer, binary)

flake.nix

@@ -0,0 +1,88 @@
+{
+  description = "LeafWiki - a fast wiki for people who think in folders, not feeds";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        version = "0.0.0";
+
+        # Build the Vite/React frontend
+        ui = pkgs.buildNpmPackage {
+          pname = "leafwiki-ui";
+          inherit version;
+          src = ./ui/leafwiki-ui;
+
+          npmDepsHash = "sha256-gYL+VczQNEISjvNEtsfjFMFJ0tvfYgqeERlUcHdzAsY=";
+
+          env.VITE_API_URL = "/";
+
+          installPhase = ''
+            runHook preInstall
+            cp -r dist $out
+            runHook postInstall
+          '';
+        };
+
+        # Build the Go backend, embedding the compiled frontend
+        leafwiki = pkgs.buildGoModule {
+          pname = "leafwiki";
+          inherit version;
+          src = ./.;
+
+          vendorHash = "sha256-/5K4BfYCFeNCJ/Sfd1eV7GO3LMx7pEe5yst7el+TfaY=";
+
+          # Copy frontend dist into the expected location before the Go build
+          preBuild = ''
+            mkdir -p internal/http/dist
+            cp -r ${ui}/. internal/http/dist/
+          '';
+
+          ldflags = [
+            "-s"
+            "-w"
+            "-X github.com/perber/wiki/internal/http.EmbedFrontend=true"
+            "-X github.com/perber/wiki/internal/http.Environment=production"
+          ];
+
+          # Only build the main binary; e2e-proxy is a separate Go module
+          subPackages = [ "cmd/leafwiki" ];
+
+          # modernc.org/sqlite is pure Go – no C compiler needed
+          env.CGO_ENABLED = "0";
+        };
+      in
+      {
+        packages = {
+          default = leafwiki;
+          inherit leafwiki ui;
+        };
+
+        apps = {
+          default = flake-utils.lib.mkApp { drv = leafwiki; };
+          leafwiki = flake-utils.lib.mkApp { drv = leafwiki; };
+        };
+
+        devShells.default = pkgs.mkShell {
+          packages = with pkgs; [
+            # Go toolchain
+            go
+            gopls
+            gotools
+            golangci-lint
+            # Node / frontend
+            nodejs
+            typescript-language-server
+            # Utilities
+            git
+            gnumake
+          ];
+        };
+      });
+}