diff --git a/.gitignore b/.gitignore
index e214e42..d1beb1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 ### Project-specific ###
 .vscode
+.direnv/
+.envrc
 
 # Created by https://www.toptal.com/developers/gitignore/api/windows,linux,macos,vim,emacs,visualstudiocode,jetbrains+all,python
 # Edit at https://www.toptal.com/developers/gitignore?templates=windows,linux,macos,vim,emacs,visualstudiocode,jetbrains+all,python
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..5fd6f52
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1767379071,
+        "narHash": "sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf+Okucw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fb7944c166a3b630f177938e478f0378e64ce108",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..3e16d44
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,47 @@
+{
+  description = "AsyncAPI Python Code Generator - type-safe async Python from AsyncAPI 3 specs";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        python = pkgs.python310;
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          name = "asyncapi-python";
+
+          packages = with pkgs; [
+            python
+            uv
+          ];
+
+          shellHook = ''
+            export UV_PYTHON_PREFERENCE=only-system
+
+            if [ ! -d .venv ]; then
+              echo "Creating virtual environment..."
+              uv venv
+            fi
+
+            source .venv/bin/activate
+
+            echo "AsyncAPI Python development environment"
+            echo "Python: $(python --version)"
+            echo "uv: $(uv --version)"
+          '';
+        };
+      }
+    );
+}
diff --git a/pyproject.toml b/pyproject.toml
index a56aea1..dfedeb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,8 @@ dependencies = ["pydantic>=2", "pytz"]
 [project.optional-dependencies]
 codegen = [
     "jinja2>=3.1.4",
-    "typer[all]>=0.12.5",
+    "typer>=0.15.0",
+    "click>=8.0.0",
     "pyyaml",
     "datamodel-code-generator[http]>=0.26.4",
     "black",
diff --git a/uv.lock b/uv.lock
index 4bd3842..c4560de 100644
--- a/uv.lock
+++ b/uv.lock
@@ -64,7 +64,7 @@ wheels = [
 
 [[package]]
 name = "asyncapi-python"
-version = "0.3.0rc9"
+version = "0.3.0rc10"
 source = { editable = "." }
 dependencies = [
     { name = "pydantic" },