software-properties-gtk
manage the repositories that you install software from (gtk)
RUN apt-get update && \
apt-get install -y software-properties-gtk
RUN apt-get update && \
apt-get install -y software-properties-gtk
RUN apt-get update && \
apt-get install -y software-properties-gtk
RUN apt-get update && \
apt-get install -y software-properties-gtk