[vz-dev] [volkszaehler/volkszaehler.org] 005c30: Simplify docker instructions (#748)

[andig]

  Branch: refs/heads/master
  Home:   https://github.com/volkszaehler/volkszaehler.org
  Commit: 005c300afb8dc5ae85a0dd723c6497a89e8f3604
      https://github.com/volkszaehler/volkszaehler.org/commit/005c300afb8dc5ae85a0dd723c6497a89e8f3604
  Author: andig <cpuidle at gmx.de>
  Date:   2019-03-21 (Thu, 21 Mar 2019)

  Changed paths:
    M README.md
    A docker-compose.yml

  Log Message:
  -----------
  Simplify docker instructions (#748)