Create docker-compose.yaml

[andorsk]

added docker compose

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Merging #90 (cb3bb59) into main (44f2c93) will not change coverage.
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[finn-block]

What is the purpose of this? Is there some current need for a single-container compose file?

[andorsk]

Yes. There are two reasons to provide this:

1. As a reference to copy and paste into other docker composes. This is sometimes very useful and done in many repos outside this one. Even ssi-service provides a docker-compose that's helpful (albiet yes, more complicated). You can alternatively directly put this into the README. https://github.com/nicolaka/netshoot#netshoot-with-docker-compose is an example of one of many. I could find more if needed. It just makes life easier for devs and people that don't want to create the docker compose from scratch ( and may mess up in the process ).
2. Because lots of people (including myself) primary use docker compose as a way to spin up services over invoking docker directly over the cmd line. Having an existing yaml ready is better. I rarely spin up docker container directly over the cli anymore, and I don't think I'm alone. I always put it in a compose so I can easily manage it.

I think a more reasonable question is: Why wouldn't you add a docker-compose somewhere for reference? I do not see a solid argument for not having a docker-compose available aside from it's one less file, or it could be done directly in the README.

We can add the build context as well to make it even easier for people to build on their own.

[finn-block]

Maybe it's just a personal thing but using docker-compose to spin up a single container seems silly. Thanks for the explanation.