FROM ubuntu:18.04 RUN apt-get update && apt-get -y install git avahi-daemon autoconf automake libtool make libgnutls28-dev RUN mkdir -p /root/src/ # Get FreeCoAP test server WORKDIR /root/src RUN git clone https://github.com/keith-cullen/FreeCoAP.git WORKDIR /root/src/FreeCoAP RUN autoreconf --install RUN ./configure RUN make RUN make install WORKDIR /root/src/FreeCoAP/sample/time_server RUN make WORKDIR / EXPOSE 5685/udp