Current build errors are results of problems between the current example dependencies and an out of date golang versions. This updates the golang version to 1.13 as well as the following
Possibly controversially removes the xenial dockerfiles since a) they don't easily support golang-1.13, and b) they no longer appear to be referenced anywhere.
Current build errors are results of problems between the current example dependencies and an out of date golang versions. This updates the golang version to 1.13 as well as the following