Hello lovely community
i need something for my final exam.
In the last versions you only used docker. And now you are using docker-compose can anyone explain me the advantage of using docker-compose?
I hope you can help me ! 
It comes down to re-usability - launcher was a shell script we designed ourselves that would be completely new and unfamiliar to anyone that had used Docker before.
Docker Compose is standard and therefore familiar to people that have used Docker before.
They also both achieve the same results in terms of what they do - but Docker Compose is easier to read and understand - IMO.
Good luck with your exam
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