pry
powerful irb alternative and runtime developer console
RUN apt-get update && \
apt-get install -y pry
RUN apt-get update && \
apt-get install -y pry
RUN pacman -S --noconfirm pry
RUN apt-get update && \
apt-get install -y pry
RUN dnf install -y pry
RUN apt-get update && \
apt-get install -y pry