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Loading Priorities

@dotenv-run/cli uses dotenv to support loading environment variables from .env files.

@dotenv-run/cli loads .env files with these specific names for the following -e ENV value, files on the top have less priority than files on the bottom.

An env file for a specific mode (e.g. .env.production) will take higher priority than a generic one (e.g. .env).

valid .env filenamesENV=*ENV=test

In addition, environment variables that already exist when the CLI is executed have the highest priority and will not be overwritten by .env files. For example, when running SOME_KEY=123 dotenv-run.