cdalvaro/docker-salt-master 2019.2.0

on GitHub

The following changes are only related with the docker image.
Please refer to the SaltStack Release Notes for the list of changes in SaltStack.

• Upgrade salt-master to 2019.2.0
• Change Docker base image to ubuntu:bionic-20190204
• Upgrade Python to version 3.6
• Upgrade libgit2 to 0.27.8
• Reduce image size by updating, installing and cleaning packages in one single step