FROM ubuntu:22.04 VOLUME /usr /lib /etc /var /bin /home /opt CMD /bin/bash RUN for key in 871920D1991BC93C; do \ gpg --recv-keys "$key" \ && gpg --export "$key" | apt-key add - ; \ done RUN set -eux; \ apt update; \ apt install -y --no-install-recommends ca-certificates; RUN set -eux; \ apt update \ && apt full-upgrade -y \ && apt install -y \ curl \ wget \ nano \ telnet \ iputils-ping \ net-tools ADD https://git.dfosd.synology.me/docker/ubuntu-base/raw/branch/master/setup_programs.sh /setup_programs.sh RUN chmod +x /setup_programs.sh RUN /setup_programs.sh