Add container (Docker) image to Docker Hub

[lfvjimisola]

Steps to reproduce and/or test case demonstrating the problem

Try to install using preexisting container (docker) image from Docker hub. E.g.

$ docker run -d -p 443:443--name essarch essolutions/essarch:3.1.2

Expected behavior

Container (docker) image contains and can be used for to run an ESSArch.

Actual behavior

No container (docker) image to be found at docker hub or other (Dockerfile for Docker compose exists).