To create and push a docker image to dockerhub.com:

docker build -t <user>/<repo>:tag -f <docker file> .
docker images
docker push <user>/<repo>

To run a docker image:

docker run --rm --security-opt label:disable \
       -v ${HOME%%/${USER}}:/home  -v /tmp:/tmp -v $PWD:$PWD \
       -t -P -w $PWD -u $UID:${GROUPS[0]} \
       <user>/<repo> <command>

To add a dummy build arg to docker file to force triggering rerun:

docker build --build-arg DUMMY=`date +%s` ...