jruby.sh
100% pure-Java implementation of Ruby
RUN apt-get update && \
apt-get install -y jruby
RUN apt-get update && \
apt-get install -y jruby
RUN apk add jruby
RUN pacman -S --noconfirm jruby
RUN apt-get update && \
apt-get install -y jruby
RUN dnf install -y jruby
RUN apt-get update && \
apt-get install -y jruby