Using Environment Variables in Site Configuration ¶
Environment Variables in site configuration allows setting placeholders for configuration options that get replaced by environment variables specific to the current environment.
The format for environment variables is
. Environment variables may be used to replace
complete values or parts of a value.
TYPO3 does not provide a loader for .env files - you have to take care of loading them yourself. Common options include setting environment configuration via server configuration or using vlucas/phpdotenv .