diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..842fe7c
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,13 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+  - repo: local
+    hooks:
+      - id: treefmt
+        name: treefmt
+        pass_filenames: false
+        entry: treefmt
+        language: system
diff --git a/flake.nix b/flake.nix
index a7edbd7..613c607 100644
--- a/flake.nix
+++ b/flake.nix
@@ -248,7 +248,6 @@
             f pkgs
           );
         treefmtEval = forEachSystem (pkgs: treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
-        # treefmtWrapper = pkgs: treefmtEval.${pkgs.system}.config.build.wrapper;
       in
       {
         packages = {
@@ -258,8 +257,6 @@
 
         # dev shells in project
         devShells = import ./shell.nix { inherit nixpkgs treefmtEval system; };
-
-        # formatter = forEachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
       }
     );
 }
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..6e60ba3
--- /dev/null
+++ b/justfile
@@ -0,0 +1,6 @@
+
+hook-install:
+  pre-commit install --install-hooks
+
+fmt:
+  treefmt
diff --git a/shell.nix b/shell.nix
index fe430d9..85bac3d 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,9 +7,9 @@
 let
   pkgs = nixpkgs.legacyPackages.${system};
   packages = with pkgs; [
-    podman
-    direnv
     git
+    pre-commit
+    just
   ];
 in
 {