diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..0f94eed
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,2 @@
+# shellcheck shell=bash
+use flake
diff --git a/.gitignore b/.gitignore
index 9237589..f069e42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 result
 .gcroots
 config.tf.json
+.direnv
\ No newline at end of file
diff --git a/flake.nix b/flake.nix
index 1410682..a5b3347 100644
--- a/flake.nix
+++ b/flake.nix
@@ -57,7 +57,15 @@
           '');
         };
     };
-    defaultApp.${system} = self.apps.${system}.apply;
+    apps.${system}.default = self.apps.${system}.apply;
+
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [ 
+        inputs.agenix.packages.${system}.agenix
+        inputs.colmena.packages.${system}.colmena
+      ];
+    };
+
     colmena = {
       meta.nixpkgs = import nixpkgs {
         localSystem = system;