message: Force to install Drush8, as Drush 9 has a Bug with Site Aliases, see
diff: @@ -8,7 +8,7 @@ ENV LAGOON=cli-drupal
  RUN curl -L -o /usr/local/bin/drupal https://github.com/hechoendrupal/drupal-console-launcher/releases/download/1.4.0/drupal.phar \
  && echo "db81f693aa509af76171ca3b1ed2e43655f7819c964dc6096334b719dff87271351466385845cd2195e346a66cd22d0d0c5c15e0370652d13e894737ad87f62b /usr/local/bin/drupal" | sha512sum \
  && chmod +x /usr/local/bin/drupal \
  - && php -d memory_limit=-1 /usr/local/bin/composer global require drush/drush \
  + && php -d memory_limit=-1 /usr/local/bin/composer global require drush/drush:8.1.15 \
  && mkdir -p /home/.drush
  COPY drushrc.php /home/.drush/drushrc.php
  