Get the NGINX container running                                     <done>
Add the redis container                                             <done>
Add the solr container                                              <done>
Add the db container                                                <done>
Get a datapusher container working with supervisord                 <done>
Test the datapusher container works
Take out ARG's from docker-compose.yml is not needed
Test with new versions of CKAN (ie: if problems with Python 3.9)
Create (and push) the datapusher image
Create the ckan container
Create the ckanext container