resolves #11 use version-based publishing (!9) · Merge requests · Antora / Antora - Docker Image · GitLab

Dan Allen requested to merge opendevise/oss/docker-antora:issue-11-version-based-publishing into master Dec 23, 2018

base image on latest Antora version by default
allow version to be specified using the CI variable named ANTORA_VERSION
don't tag image as latest if it's a prerelease