message: making a note about the missing latest tag
diff: # PiGallery2 docker installation [![Docker build](https://github.com/bpatrik/pigallery2/workflows/docker-buildx/badge.svg)](https://github.com/bpatrik/pigallery2/actions)
  +## NOTE: docker tag `latest` does not work currently use its alias: `latest-debian-buster` instead until it gets fixed.
  +
  You can use [docker](https://docs.docker.com/install/) to run PiGallery2. See all available docker tags [here](https://hub.docker.com/r/bpatrik/pigallery2/tags/).
  available tags:
  - `v*` (stable): built from the a release with the same version name.
  