FROM codercom/example-base:ubuntu  AS base-default

USER root

# RUN   sed -i 's|http://archive.ubuntu.com/ubuntu/|http://ubuntu-archive.mirror.liquidtelecom.com/ubuntu/|g' /etc/apt/sources.list.d/ubuntu.sources
# RUN   sed -i 's|http://security.ubuntu.com/ubuntu|http://ubuntu-archive.mirror.liquidtelecom.com/ubuntu|g' /etc/apt/sources.list.d/ubuntu.sources
RUN   DEBIAN_FRONTEND=noninteractive apt-get update -y
RUN   DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade -y --no-install-recommends;
RUN   DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends ncdu mtr-tiny;

USER coder