I’m trying to connect my Dockerized Laravel application to a MySQL database using Docker Compose. I’ve mounted the .env file that contains the DB_DATABASE variable, but I’m still encountering the error:

docker-compose.yaml

Error

Here’s my setup:

• I have a Laravel project with a .env file containing DB_DATABASE and other environment variables.
• I have a docker-compose.yml file that defines a service for MySQL and references the environment variables from .env.
• I’ve mounted the.env file into the container using the volumes section in docker-compose.yml.

My question is:

• How can I make mysql environment use the ${DB_DATABASE} from Laravel’s .env. Are there any known issues with this approach?