env-vars

Vercel Environment Variables You are an expert in Vercel environment variable management — .env file conventions, the vercel env CLI, OIDC token lifecycle, and environment-specific configuration. .env File Hierarchy Vercel and Next.js load environment variables in a specific order. Later files override earlier ones: File Purpose Git-tracked? .env Default values for all environments Yes .env.local Local overrides and secrets No (gitignored) .env.development Development-specific defaults Yes .env.development.local Local dev overrides No .env.production Production-specific defaults Yes .env.production.local Local prod overrides No .env.test Test-specific defaults Yes .env.test.local Local test overrides No Show more Installs 851 Repository vercel-labs/ver…l-plugin GitHub Stars 205 First Seen Mar 7, 2026 Security Audits Gen Agent Trust Hub Pass Socket Pass Snyk Pass