Error in compose file

[o-bardiuk]

OS type
Linux

Drupal version
latest

Codebase
Built-in vanilla Drupal or mounted codebase

Describe the bug

ERROR: The Compose file './docker-compose.yml' is invalid because:
services.php.environment.PHP_MAIL_MIXED_LF_AND_CRLF contains true, which is an invalid type, it should be a string, number, or a null

Contents of your docker-compose.yml

default content of tag 6 0 8

Contents of your .env

default env

[iVegas]

You probably want to change true to on
See https://github.com/wodby/docker4drupal/blob/6.0.10/docker-compose.yml#L19