message: install rsync
diff: @@ -12,6 +12,7 @@ RUN apk update \
  bash \
  tini \
  openssh-client \
  + rsync \
  && apk add nodejs-current yarn --update-cache --repository http://dl-3.alpinelinux.org/alpine/edge/main/ --repository http://dl-3.alpinelinux.org/alpine/edge/community/ \
  && rm -rf /var/cache/apk/* \
  && curl -L -o /usr/local/bin/composer https://github.com/composer/composer/releases/download/1.5.2/composer.phar \
  