Symfony 4 produces SQLSTATE[HY000] [2002] Connection refused using Docker containers

Symfony 4 produces SQLSTATE[HY000] [2002] Connection refused using Docker containers

docker doctrine-orm docker-compose symfony4

docker

How do I properly use Silex 2, Doctrine, and PDO via docker containers?

docker pdo doctrine-orm silex dbal

docker

"Temporary failure in name resolution": Symfony 5.3 Connection to MariaDB with Doctrine and Docker

php mysql docker symfony doctrine-orm

docker

Symfony: could not find driver in doctrine

postgresql symfony docker doctrine-orm doctrine

docker

Database connection issue through docker containers

mysql docker symfony doctrine-orm mariadb

docker

Symfony - Unknown MySQL server host when using command line

php symfony docker doctrine-orm

docker