RUN apt-get update && \
- apt-get install -y ruby-mail ruby-json ruby-sinatra
- apt-get install -y ruby-mail ruby-json ruby-sinatra ruby-redis ruby-rufus-scheduler
add --fix-missing for apt.
do not need to add it for I have tested them all
Thanks, Luan Shengde
Thanks, Xijian
-- 2.23.0