diff --git a/flake.nix b/flake.nix
index 477e702..cc0fa59 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,135 +7,131 @@
     inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs =
-    {
-      self,
-      nixpkgs,
-      rust-overlay,
-    }:
-    let
-      pkgs = import nixpkgs {
-        system = "x86_64-linux";
-        overlays = [ (import rust-overlay) ];
-      };
-
-      rust = pkgs.rust-bin.stable."1.66.0".default.override {
-        extensions = [ "rust-src" ];
-        targets = [ "thumbv7em-none-eabihf" ];
-      };
-      rustPlatform = pkgs.makeRustPlatform {
-        rustc = rust;
-        cargo = rust;
-      };
-
-      thermostat = rustPlatform.buildRustPackage {
-        name = "thermostat";
-        version = "0.0.0";
-
-        src = self;
-        cargoLock = {
-          lockFile = ./Cargo.lock;
-          outputHashes = {
-            "stm32-eth-0.2.0" = "sha256-48RpZgagUqgVeKm7GXdk3Oo0v19ScF9Uby0nTFlve2o=";
-          };
-        };
-
-        nativeBuildInputs = [ pkgs.llvm ];
-
-        buildPhase = ''
-          cargo build --release --bin thermostat
-        '';
-
-        installPhase = ''
-          mkdir -p $out $out/nix-support
-          cp target/thumbv7em-none-eabihf/release/thermostat $out/thermostat.elf
-          echo file binary-dist $out/thermostat.elf >> $out/nix-support/hydra-build-products
-          llvm-objcopy -O binary target/thumbv7em-none-eabihf/release/thermostat $out/thermostat.bin
-          echo file binary-dist $out/thermostat.bin >> $out/nix-support/hydra-build-products
-        '';
-
-        dontFixup = true;
-        auditable = false;
-      };
-
-      pythermostat = pkgs.python3Packages.buildPythonPackage {
-        pname = "pythermostat";
-        version = "0.0.0";
-        format = "pyproject";
-        src = "${self}/pythermostat";
-
-        nativeBuildInputs = [
-          pkgs.python3Packages.setuptools
-          pkgs.qt6.wrapQtAppsHook
-        ];
-        propagatedBuildInputs =
-          [ pkgs.qt6.qtbase ]
-          ++ (with pkgs.python3Packages; [
-            numpy
-            matplotlib
-            pyqtgraph
-            pyqt6
-            qasync
-            pglive
-          ]);
-
-        dontWrapQtApps = true;
-        postFixup = ''
-          wrapQtApp "$out/bin/thermostat_control_panel"
-        '';
-      };
-
-      pglive = pkgs.python3Packages.buildPythonPackage rec {
-        pname = "pglive";
-        version = "0.7.2";
-        format = "pyproject";
-        src = pkgs.fetchPypi {
-          inherit pname version;
-          hash = "sha256-jqj8X6H1N5mJQ4OrY5ANqRB0YJByqg/bNneEALWmH1A=";
-        };
-        buildInputs = [ pkgs.python3Packages.poetry-core ];
-        propagatedBuildInputs = with pkgs.python3Packages; [
-          pyqtgraph
-          numpy
-        ];
-      };
-    in
-    {
-      packages.x86_64-linux = {
-        inherit thermostat pythermostat;
-        default = thermostat;
-      };
-
-      apps.x86_64-linux.control_panel = {
-        type = "app";
-        program = "${pythermostat}/bin/thermostat_control_panel";
-      };
-
-      hydraJobs = {
-        inherit thermostat;
-      };
-
-      devShells.x86_64-linux.default = pkgs.mkShellNoCC {
-        name = "thermostat-dev-shell";
-        packages =
-          with pkgs;
-          [
-            rust
-            llvm
-            openocd
-            dfu-util
-            rlwrap
-          ]
-          ++ (with python3Packages; [
-            numpy
-            matplotlib
-            pyqtgraph
-            pyqt6
-            qasync
-            pglive
-          ]);
-      };
-
-      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+  }: let
+    pkgs = import nixpkgs {
+      system = "x86_64-linux";
+      overlays = [(import rust-overlay)];
     };
+
+    rust = pkgs.rust-bin.stable."1.66.0".default.override {
+      extensions = ["rust-src"];
+      targets = ["thumbv7em-none-eabihf"];
+    };
+    rustPlatform = pkgs.makeRustPlatform {
+      rustc = rust;
+      cargo = rust;
+    };
+
+    thermostat = rustPlatform.buildRustPackage {
+      name = "thermostat";
+      version = "0.0.0";
+
+      src = self;
+      cargoLock = {
+        lockFile = ./Cargo.lock;
+        outputHashes = {
+          "stm32-eth-0.2.0" = "sha256-48RpZgagUqgVeKm7GXdk3Oo0v19ScF9Uby0nTFlve2o=";
+        };
+      };
+
+      nativeBuildInputs = [pkgs.llvm];
+
+      buildPhase = ''
+        cargo build --release --bin thermostat
+      '';
+
+      installPhase = ''
+        mkdir -p $out $out/nix-support
+        cp target/thumbv7em-none-eabihf/release/thermostat $out/thermostat.elf
+        echo file binary-dist $out/thermostat.elf >> $out/nix-support/hydra-build-products
+        llvm-objcopy -O binary target/thumbv7em-none-eabihf/release/thermostat $out/thermostat.bin
+        echo file binary-dist $out/thermostat.bin >> $out/nix-support/hydra-build-products
+      '';
+
+      dontFixup = true;
+      auditable = false;
+    };
+
+    pythermostat = pkgs.python3Packages.buildPythonPackage {
+      pname = "pythermostat";
+      version = "0.0.0";
+      format = "pyproject";
+      src = "${self}/pythermostat";
+
+      nativeBuildInputs = [
+        pkgs.python3Packages.setuptools
+        pkgs.qt6.wrapQtAppsHook
+      ];
+      propagatedBuildInputs =
+        [pkgs.qt6.qtbase]
+        ++ (with pkgs.python3Packages; [
+          numpy
+          matplotlib
+          pyqtgraph
+          pyqt6
+          qasync
+          pglive
+        ]);
+
+      dontWrapQtApps = true;
+      postFixup = ''
+        wrapQtApp "$out/bin/thermostat_control_panel"
+      '';
+    };
+
+    pglive = pkgs.python3Packages.buildPythonPackage rec {
+      pname = "pglive";
+      version = "0.7.2";
+      format = "pyproject";
+      src = pkgs.fetchPypi {
+        inherit pname version;
+        hash = "sha256-jqj8X6H1N5mJQ4OrY5ANqRB0YJByqg/bNneEALWmH1A=";
+      };
+      buildInputs = [pkgs.python3Packages.poetry-core];
+      propagatedBuildInputs = with pkgs.python3Packages; [
+        pyqtgraph
+        numpy
+      ];
+    };
+  in {
+    packages.x86_64-linux = {
+      inherit thermostat pythermostat;
+      default = thermostat;
+    };
+
+    apps.x86_64-linux.control_panel = {
+      type = "app";
+      program = "${pythermostat}/bin/thermostat_control_panel";
+    };
+
+    hydraJobs = {
+      inherit thermostat;
+    };
+
+    devShells.x86_64-linux.default = pkgs.mkShellNoCC {
+      name = "thermostat-dev-shell";
+      packages = with pkgs;
+        [
+          rust
+          llvm
+          openocd
+          dfu-util
+          rlwrap
+        ]
+        ++ (with python3Packages; [
+          numpy
+          matplotlib
+          pyqtgraph
+          pyqt6
+          qasync
+          pglive
+        ]);
+    };
+
+    formatter.x86_64-linux = pkgs.alejandra;
+  };
 }