07. [10p] Splitting the Docker Compose file

Subtasks
  1. split the docker-compose.yml file from exercise 6 into two separate YAML files:
    1. one of them will contain the API and database services
    2. the other one will contain the Adminer service
  2. deploy the configuration from the two files using Docker Compose
  3. use Postman and Adminer to verify that everything works just as before
  4. stop all the containers
  5. remove the remaining volume