[GRASS-git] [OSGeo/grass] c88c2f: specify dockerfile name

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: c88c2f3351c05c190693bec55579453928458fb9
      https://github.com/OSGeo/grass/commit/c88c2f3351c05c190693bec55579453928458fb9
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2019-09-20 (Fri, 20 Sep 2019)

  Changed paths:
    M docker/README_alpine.md

  Log Message:
  -----------
  specify dockerfile name