docker build -t <account>/<reponame>:<tag> <Dockerfile>

docker login
docker push <account>/<reponame>:<tag>

docker run -it <image> /bin/bash

$ docker image ls
$ docker rmi coatisoftware/centos7_64_qt_llvm:<tag>
$ docker rmi coatisoftware/centos7_32_qt_llvm:<tag>

$ docker system prune

$ cd deployment/dockerfiles/linux/centos7_64
$ docker build -t coatisoftware/centos7_64_qt_llvm:<tag> .

$ docker login
$ docker push coatisoftware/centos7_64_qt_llvm:<tag>

$ cd ../centos7_32
$ docker build -t coatisoftware/centos7_32_qt_llvm:<tag> .

$ docker push coatisoftware/centos7_32_qt_llvm:<tag>