.env.default.local __top__ Here

A .env.local or .env.default.local file is used to store sensitive or machine-specific environment variables for local development. It allows you to customize your local environment without affecting other team members or committing secrets to a repository. 1. Purpose & Core Rules

When NODE_ENV=production and the loadAllDefaults option is enabled, the final configuration becomes: .env.default.local

In this setup, if a variable exists in .env.local , it takes precedence. If not, the system checks .env.default.local , and finally falls back to the standard .env . Best Practices: Keep it Clean if a variable exists in .env.local