[2021] — .env.local.production

Therefore, Environment Variable Priority (The Lookup Order)

# Real production (on the server) GENERATE_SOURCEMAP=false LOG_LEVEL=error .env.local.production

NODE_ENV=production next start

To get the most out of .env.local.production , follow these best practices: especially in the React/Next.js ecosystem.

Here’s a deep technical write-up on .env.local.production — a lesser-known but powerful environment file pattern, especially in the React/Next.js ecosystem. .env.local.production