====================== ==========================
Tag                    Distribution name
====================== ==========================
``ubuntu-12.04``       precise
``ubuntu-14.04``       trusty (LTS)
``ubuntu-15.04``       vivid
``ubuntu-15.10``       wily
``ubuntu-16.04``       xenial (LTS)
``debian-7``           wheezy
``debian-8``           jessie
``debian-9``           stretch
``centos-7``
====================== ==========================

====================== ==========================
Tag                    Distribution name
====================== ==========================
``alpine``             Alpine (rolling release)
``alpine-3``           *deprecated*
``ubuntu-12.04``       precise
``ubuntu-14.04``       trusty (LTS)
``ubuntu-15.04``       vivid
``ubuntu-15.10``       wily
``ubuntu-16.04``       xenial (LTS)
``debian-7``           wheezy
``debian-8``           jessie
``debian-9``           stretch
``centos-7``
====================== ==========================

Add alpine tag documentation to base images
Add alpine tag documentation to base images
