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 4fffb2f..e6597d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
 /Cargo.lock
+.direnv/
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..a5964e1
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712791164,
+        "narHash": "sha256-3sbWO1mbpWsLepZGbWaMovSO7ndZeFqDSdX0hZ9nVyw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "1042fd8b148a9105f3c0aca3a6177fd1d9360ba5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..3bf4a1e
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,13 @@
+{
+  description = "JSON documentation explorer";
+  inputs = { nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable"; };
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in {
+      devShells.${system}.default = pkgs.mkShell {
+        packages = [ pkgs.rustc pkgs.cargo pkgs.rust-analyzer pkgs.rustfmt ];
+      };
+    };
+}