To make it clear that docker hub is but one of many possible registries,
update our usage of FROM and image: lines to include docker.io in the
path.
There are a few other FROM lines for the gitea images which are handled
in a separate stack.
Change-Id: I6fafd5f659ad19de6951574afc9a6b6a4cf184df
This ensures that we cleanup images that are superceded and no longer
necessary. We do this to avoid filling the disk with docker images.
Note that we use the -f flag to avoid being prompted by docker image
prune for confirmation.
Change-Id: I8eb5bb97d8c66755e695498707220c9e6e7b2de0
This will make sure that the latest relevant images are in the
local image storage, and therefore, will cause docker-compose up
to recreate containers when the images are updated.
Change-Id: Ic6f0bc8c8aea5b5c16501f4ab5d3095fb70c0ff7