FROM centos:7 RUN yum update RUN yum install tmux wget tar bzip2 -y RUN mkdir devi WORKDIR /devi RUN wget https://github.com/matterhorn-chat/matterhorn/releases/download/50200.10.2/matterhorn-50200.10.2-centos-7-x86_64.tar.bz2 RUN tar -xvf matterhorn-50200.10.2-centos-7-x86_64.tar.bz2 EXPOSE 9000