Optional path to .env file.

Set to true to export all .env variables to the current processes environment. Variables are then accessable via Deno.env.get(<key>).

Optional path to .env.example file.

Set to true to allow required env variables to be empty. Otherwise, it will throw an error if any variable is empty.

Path to .env.defaults file which is used to define default values.

# .env.defaults
# Will not be set if GREETING is set in base .env file
GREETING="a secret to everybody"

List of Env variables to read from process. By default, the complete Env is looked up. This allows to permit access to only specific Env variables with --allow-env=ENV_VAR_NAME.