Build, tag and push to a registry

# Docker Hub Login
docker login

# Create and tag Docker-Image
ORG=<Your organisation name at Docker Hub>
TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "latest")
docker build --build-arg VERSION=$TAG -t $ORG/debian-tuxbox-base:$TAG -t $ORG/debian-tuxbox-base:latest .

# Push Images to Docker Hub
docker push $ORG/debian-tuxbox-base:$TAG && docker push $ORG/debian-tuxbox-base:latest