My DockerFile looks like
RUN echo 'deb http://archive.ubuntu.com/ubuntu/ focal-proposed main restricted' >> /etc/apt/sources.list && \ apt-get update -q -y && \ apt-get install -y --fix-missing --no-install-recommends \
My DockerFile looks like
RUN echo 'deb http:// archive. ubuntu. com/ubuntu/ focal-proposed main restricted' >> /etc/apt/ sources. list && \ recommends \
apt-get update -q -y && \
apt-get install -y --fix-missing --no-install-