This is essentially something I've put together for a friends.
You'll likely need to update the scripts in bin/mysql-start and bin/mysql-stop.
If you have your own my.cnf you want copied in, place it at conf/my.cnf, and uncomment
line 116 of the Dockerfile.
Build with ./make.sh. You'll probably want to update this with another tag,
so things get pushed somewhere. The local registry won't accept multi-arch images, so
you need to push it somewhere unless you're simply verifying the build works.
This should not be used for production, but seems to work pretty well for local development. The Dockerfile can likely be improved. Things labeled with "##!!##" may be extarneous or not needed.