Add latest and minor version tags to docker image

[prayashm]

Feature request description

• add :latest tag for latest stable image on docker hub
• add minor version tag for image
  e.g. we could have :3.8 tagged for :3.8.2 tagged image

Is your feature request related to a problem? If so, please describe.

No.

Describe alternatives you've considered.

Pulling image with version tag and tagging it with latest locally.

edit: request for minor version tag

[Jamesits]

Please implement this as this makes auto upgrading easier.