FROM ubuntu:22.04 ENV DEBIAN_FRONTEND=noninteractive RUN apt update && \ apt install -y --no-install-recommends \ ca-certificates \ curl \ bash \ vim \ git \ bind9-dnsutils \ bridge-utils \ conntrack \ ethtool \ ipset \ iptables \ openssh-server \ strace \ jq \ iproute2 \ iputils-ping \ iputils-arping \ mtr \ traceroute \ tcptraceroute \ net-tools \ tcpdump \ tshark \ frr \ frr-pythontools && \ apt clean USER root WORKDIR /root ENV HOSTNAME=ya-kit COPY motd motd RUN chmod -R g=u /root RUN chown root:root /usr/bin/dumpcap CMD ["bash"]