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diff --git a/flake.nix b/flake.nix
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+# rocie - An enterprise grocery management system
+#
+# Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+{
+  description = "rocie";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    treefmt-nix,
+    rust-overlay,
+  }: let
+    system = "x86_64-linux";
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [(import rust-overlay)];
+    };
+
+    buildInputs = [
+      pkgs.openssl
+    ];
+
+    nativeBuildInputs = [
+      pkgs.pkg-config
+    ];
+
+    rocie = pkgs.callPackage ./nix/package.nix {};
+
+    rust = pkgs.rust-bin.stable.latest.default.override {
+      targets = ["wasm32-unknown-unknown"];
+    };
+
+    treefmtEval = import ./treefmt.nix {inherit treefmt-nix pkgs;};
+  in {
+    packages."${system}" = {
+      inherit rocie;
+      default = self.packages.${system}.rocie;
+    };
+
+    checks."${system}" = {
+      inherit rocie;
+      formatting = treefmtEval.config.build.check self;
+    };
+
+    formatter."${system}" = treefmtEval.config.build.wrapper;
+
+    devShells."${system}".default = pkgs.mkShell {
+      inherit buildInputs nativeBuildInputs;
+
+      packages = [
+        # rust stuff
+        rust
+        pkgs.mold-wrapped
+
+        pkgs.cargo-edit
+        pkgs.cargo-expand
+        pkgs.cargo-flamegraph
+
+        # Mobile app
+        pkgs.trunk
+        pkgs.wasm-bindgen-cli
+        pkgs.dart-sass
+
+        # Releng
+        pkgs.git-bug
+        pkgs.reuse
+        pkgs.cocogitto
+      ];
+    };
+  };
+}