FROM ubuntu:16.04 RUN apt-get update && \ apt-get install -y build-essential wget libncurses5-dev unzip bc curl python rsync ccache git vim libssl-dev RUN locale-gen en_US.UTF-8 ENV LANG en_US.UTF-8 ENV DAPPER_SOURCE /source ENV DAPPER_OUTPUT ./dist ENV SHELL /bin/bash ENV HOME ${DAPPER_SOURCE} WORKDIR ${DAPPER_SOURCE}