diff --git a/.gitignore b/.gitignore
index 0b859912..c45c4928 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,4 +26,8 @@ dist-ssr
 # Custom
 .env.dev
 phanpy-dist.zip
-phanpy-dist.tar.gz
\ No newline at end of file
+phanpy-dist.tar.gz
+
+# Nix
+.direnv
+result
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..ffd08fb9
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1723175592,
+        "narHash": "sha256-M0xJ3FbDUc4fRZ84dPGx5VvgFsOzds77KiBMW/mMTnI=",
+        "owner": "nixOS",
+        "repo": "nixpkgs",
+        "rev": "5e0ca22929f3342b19569b21b2f3462f053e497b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "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 00000000..92e633d2
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,60 @@
+{
+  inputs.nixpkgs.url = github:nixOS/nixpkgs/nixos-unstable;
+  inputs.flake-utils.url = github:numtide/flake-utils;
+
+  outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; };
+      lib = pkgs.lib;
+
+      esbuild = pkgs.buildGoModule rec {
+        pname = "esbuild";
+        version = "0.21.5";
+
+        src = pkgs.fetchFromGitHub {
+          owner = "evanw";
+          repo = "esbuild";
+          rev = "v${version}";
+          hash = "sha256-FpvXWIlt67G8w3pBKZo/mcp57LunxDmRUaCU/Ne89B8=";
+        };
+
+        vendorHash = "sha256-+BfxCyg0KkDQpHt/wycy/8CTG6YBA/VJvJFhhzUnSiQ=";
+        subPackages = [ "cmd/esbuild" ];
+        ldflags = [ "-s" "-w" ];
+
+        meta.mainProgram = "esbuild";
+      };
+    in
+    rec {
+      packages.default = pkgs.buildNpmPackage {
+        pname = "dtth-phanpy";
+        version = "0.1.0";
+
+        nativeBuildInputs = with pkgs; [ git ];
+        ESBUILD_BINARY_PATH = lib.getExe esbuild;
+
+        src = lib.cleanSource ./.;
+
+        npmFlags = [ "--legacy-peer-deps" ];
+        npmDepsHash = "sha256-VROK9Emxi+jFqwidA/CUxQwxitKf7Y6mx0yuOCUwrzI=";
+        # npmDepsHash = lib.fakeHash;
+
+        # DTTH-specific env variables
+        PHANPY_CLIENT_NAME = "DTTH Phanpy";
+        PHANPY_CLIENT_ID = "ch.dtth.phanpy";
+        PHANPY_WEBSITE = "https://social.dtth.ch";
+
+        installPhase = ''
+          runHook preInstall
+          mkdir -p $out/lib
+          cp -r dist $out/lib/phanpy
+          runHook postInstall
+        '';
+      };
+
+      devShells.default = pkgs.mkShell {
+        inputsFrom = [ packages.default ];
+        buildInputs = with pkgs; [ nodejs ];
+      };
+    });
+}