.env.local Jun 2026

# Local Database Credentials DB_HOST=localhost DB_USER=root DB_PASS=mysecretpassword

You are on a plane without internet. Your app usually calls a live API via API_URL=https://api.example.com . You drop API_URL=http://localhost:4000 into .env.local to point at a local mock server. Your teammates' configs remain unchanged. .env.local