Update database docker

[Thellior]

What is done

• Changed mysql version from 5.6 to 5.7 (8.0 gives an error)
• Changed postgres version from 9.5 to 10.4

[robacarp]

That’s a big upgrade for Postgres. I doubt we are doing anything that PG changed during the upgrades, but I wonder if we should start to consider testing Granite against multiple versions of the databases?

[Thellior]

@robacarp I think that it's a great idea. I'm going to read some documents about how it's best achieved with dockers and i will come with my idea that we can approve :)

[Blacksmoke16]

should just have to add another service to the docker-compose.

for example:

  pg-10.4:
    image: postgres:10.4
  pg-9.5:
    image: postgres:9.5
  mysq-5.6:
    image: mysql:5.6
    environment:
      MYSQL_ROOT_PASSWORD: pass
      MYSQL_DATABASE: test
      MYSQL_USER: user
      MYSQL_PASSWORD: pass
  mysql-5.7:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: pass
      MYSQL_DATABASE: test
      MYSQL_USER: user
      MYSQL_PASSWORD: pass

EDIT: Also could use a .env file to share config between containers. https://docs.docker.com/compose/environment-variables/#the-env_file-configuration-option