chore(nix): add support for flakes

.envrc

@@ -0,0 +1 @@
+use flake

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1741445498,
+        "narHash": "sha256-F5Em0iv/CxkN5mZ9hRn3vPknpoWdcdCyR0e4WklHwiE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "52e3095f6d812b91b22fb7ad0bfc1ab416453634",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "Flake for github:Infisical/infisical repository.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  };
+
+  outputs = { self, nixpkgs }: {
+    devShells.aarch64-darwin.default = let
+      pkgs = nixpkgs.legacyPackages.aarch64-darwin;
+    in
+      pkgs.mkShell {
+        packages = with pkgs; [
+          git
+          lazygit
+
+          nodejs_20
+        ];
+
+        shellHook = ''
+          # Define a writable directory for global npm packages
+          export NPM_CONFIG_PREFIX="$HOME/.npm-global"
+          export PATH="$NPM_CONFIG_PREFIX/bin:$PATH"
+
+          # Ensure the directory exists
+          mkdir -p "$NPM_CONFIG_PREFIX"
+
+          # Install Infisical CLI only if it's not already installed
+          if ! command -v infisical &>/dev/null; then
+            npm install -g @infisical/cli
+          fi
+        '';
+      };
+  };
+}