Vercel Multi-Env Setup

Overview

Configure Vercel's three built-in environments (Development, Preview, Production) with scoped environment variables, branch-specific preview URLs, and custom environments for staging. Uses Vercel's native environment system and the REST API for automation.

Prerequisites

• Vercel project linked and deployed
• Separate database instances per environment (recommended)
• Access to Vercel dashboard or VERCEL_TOKEN for API

Instructions

Step 1: Understand Vercel's Environment Model

Vercel provides three built-in environments: