Build Singularity Containers from Dockerhub
Docker is a container virtualization environment that can establish development or runtime environments without modifying the environment of the base operating system. It runs on Mac and Windows.
To use Singularity on Cypress, you have to login to one of Centos7 computing nodes.
Load the module,
module load singularity/3.9.0
Build from Docker Hub, for example ubuntu 14.04
singularity pull docker://ubuntu:14.04