diff --git a/flake.nix b/flake.nix
index 8e434dc..6cf5b05 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,13 +17,13 @@
 
       systems = import systems;
 
-      perSystem = { config, system, pkgs, ... }: {
+      perSystem = { self', pkgs, system, ... }: {
         _module.args.pkgs = import nixpkgs {
           inherit system;
           overlays = [ gomod2nix.overlays.default ];
         };
 
-        packages.default = pkgs.buildGoApplication {
+        packages.iecs = pkgs.buildGoApplication {
           pname = "iecs";
           version = "0.1.0";
           src = ./.;
@@ -31,7 +31,7 @@
         };
 
         overlayAttrs = {
-          iecs = config.packages.default;
+          inherit (self'.packages) iecs;
         };
       };
     };
diff --git a/templates/.gitignore b/templates/.gitignore
new file mode 100644
index 0000000..2cc0d19
--- /dev/null
+++ b/templates/.gitignore
@@ -0,0 +1 @@
+devenv.lock
diff --git a/templates/devenv/.envrc b/templates/devenv/.envrc
new file mode 100644
index 0000000..894571b
--- /dev/null
+++ b/templates/devenv/.envrc
@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/82c0147677e510b247d8b9165c54f73d32dfd899/direnvrc" "sha256-7u4iDd1nZpxL4tCzmPG0dQgC5V+/44Ba+tHkPob1v2k="
+
+use devenv
diff --git a/templates/devenv/.gitignore b/templates/devenv/.gitignore
new file mode 100644
index 0000000..4d058db
--- /dev/null
+++ b/templates/devenv/.gitignore
@@ -0,0 +1,9 @@
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
diff --git a/templates/devenv/devenv.nix b/templates/devenv/devenv.nix
new file mode 100644
index 0000000..6243b86
--- /dev/null
+++ b/templates/devenv/devenv.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }:
+
+{
+  packages = [ pkgs.iecs ];
+}
diff --git a/templates/devenv/devenv.yaml b/templates/devenv/devenv.yaml
new file mode 100644
index 0000000..ac34342
--- /dev/null
+++ b/templates/devenv/devenv.yaml
@@ -0,0 +1,8 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  iecs:
+    url: github:sestrella/iecs
+    overlays:
+      - default
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling