mountpoint
Test if a directory is a filesystem mountpoint. More information: <https://manned.org/mountpoint>.
RUN apt-get update && \
apt-get install -y util-linux
RUN apt-get update && \
apt-get install -y util-linux
RUN apk add util-linux
RUN pacman -S --noconfirm util-linux
RUN apt-get update && \
apt-get install -y util-linux
RUN yum install -y util-linux
RUN dnf install -y util-linux
RUN apt-get update && \
apt-get install -y util-linux