Refactor nginx recipe and template
Extract some of the repetition in recipe to library/definitions.
Look into splitting up templates in order to make it DRY.
edit sept-4-2018
@twk3 : From !1417 (comment 37955599)
I think what we want is a custom nginx resource that we can pass it's name, custom conf template, and additional variables, and just call that custom resource with 'gitlab-rails' 'pages' 'mattermost' and 'registry'
Edited by DJ Mountney