FROM ubuntu:20.04 RUN apt-get update && apt-get install -y \ gnupg \ && rm -rf /var/lib/apt/lists/* RUN printf "deb http://aprsc-dist.he.fi/aprsc/apt focal main" >> /etc/apt/sources.list RUN gpg --keyserver keyserver.ubuntu.com --recv C51AA22389B5B74C3896EF3CA72A581E657A2B8D RUN gpg --export C51AA22389B5B74C3896EF3CA72A581E657A2B8D | apt-key add - RUN apt-get update && apt-get install -y \ aprsc \ && rm -rf /var/lib/apt/lists/* EXPOSE 10152 EXPOSE 14580 EXPOSE 10155 EXPOSE 14501 WORKDIR /opt/aprsc USER aprsc CMD /opt/aprsc/sbin/aprsc -c /opt/aprsc/etc/aprsc.conf