# build image
docker build -f Dockerfile.ubuntu16.04 -t onelab/ubuntu16.04 .
docker build -f Dockerfile.ubuntu18.04 -t onelab/ubuntu18.04 .

# push image to docker-hub
docker login
docker push onelab/ubuntu16.04
docker push onelab/ubuntu18.04

# run something
docker run onelab/ubuntu18.04 ls -al /
