Symfony Docker is extensible. When you install a compatible Composer package using Symfony Flex,
the recipe will automatically modify the Dockerfile and docker-compose.yml to fulfill the requirements of this package.
The currently supported packages are:
symfony/orm-pack: install a PostgreSQL servicesymfony/mercure-bundle: use the Mercure.rocks module shipped with Caddysymfony/messenger: install a RabbitMQ service