diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..5bf8fc1
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/95f329d49a8a5289d31e0982652f7058a189bfca/direnvrc" "sha256-d+8cBpDfDBj41inrADaJt+bDWhOktwslgoP5YiGJ1v0="
+
+use devenv
\ No newline at end of file
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 0000000..98813c6
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }:
+
+{
+  packages = with pkgs; [ clang cargo-insta cargo-tarpaulin ];
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 0000000..2457af5
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,14 @@
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+
+# If you're using non-OSS software, you can set allowUnfree to true.
+# allowUnfree: true
+
+# If you're willing to use a package that's vulnerable
+# permittedInsecurePackages:
+#  - "openssl-1.1.1w"
+
+# If you have more than one devenv you can merge them
+#imports:
+# - ./backend