diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 2f7896d..5895861 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 target/
+.direnv/
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..436d232
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,48 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1780749050,
+        "narHash": "sha256-3av0pIjlOWQ6rDbNOmpUSvbNnJkGORQKKjb4LtCZsIY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a799d3e3886da994fa307f817a6bc705ae538eeb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1780888890,
+        "narHash": "sha256-MUQPFiskEENaJ2N82TRIqpKlHXGXJJkPfKH6W788oQo=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "7d5f8d75fc195a236b46633d7679139698aeb35f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..1047a64
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,59 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      rust-overlay,
+    }:
+    let
+      forAllSystems =
+        fn:
+        let
+          systems = [
+            "x86_64-linux"
+            "aarch64-darwin"
+          ];
+          overlays = [ (import rust-overlay) ];
+        in
+        nixpkgs.lib.genAttrs systems (
+          system:
+          fn (
+            import nixpkgs {
+              inherit system overlays;
+            }
+          )
+        );
+    in
+    {
+      devShells = forAllSystems (pkgs:
+      {
+        default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.bacon
+            pkgs.rust-analyzer
+            pkgs.rust-bin.stable.latest.default
+          ];
+        };
+      });
+
+      formatter = forAllSystems (
+        pkgs:
+        pkgs.treefmt.withConfig {
+          runtimeInputs = [ pkgs.nixfmt ];
+          settings = {
+            on-unmatched = "info";
+            formatter.nixfmt = {
+              command = "nixfmt";
+              includes = [ "*.nix" ];
+            };
+          };
+        }
+      );
+    };
+}