docker build -t orbsmiv/supercollider-rpi:3.10.4 .
If you're pushing a new version and want to override the latest tag:
docker tag orbsmiv/supercollider-rpi:3.10.4 orbsmiv/supercollider-rpi:latest
docker push orbsmiv/supercollider-rpi:3.10.4
docker push orbsmiv/supercollider-rpi:latest
To save a built image, e.g. for transferring to a test machine:
docker save -o sc.tar orbsmiv/supercollider-rpi:3.11.0-test
To load the resulting image:
docker load -i sc.tar