Run nextflow through docker

[abhi18av]

This will simplify the overall installation process as we don't need to setup

• java
• conda
• nextflow

Starting point

 docker pull nextflow/nextflow

[abhi18av]

Docker in docker

https://hub.docker.com/_/docker

[abhi18av]

https://jpetazzo.github.io/2015/09/03/do-not-use-docker-in-docker-for-ci/

[abhi18av]

Take hints by running rclone through docker