firebase-basics

Prerequisites

Node.js and npm

To use the Firebase CLI, you need Node.js (version 20+ required) and npm (which comes with Node.js).

Recommended: Use a Node Version Manager (nvm) This avoids permission issues when installing global packages.

1. Install nvm:

   • Mac/Linux: curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
   • Windows: Download nvm-windows

2. Install Node.js:

   nvm install 24
   nvm use 24
   

Alternative: Official Installer Download and install the LTS version from nodejs.org.