FROM debian:9 USER root # Get Debian up-to-date RUN apt-get update -qq \ && DEBIAN_FRONTEND=noninteractive apt-get install -y \ apt-transport-https autoconf bison bsdmainutils ca-certificates curl \ gcc git gnupg lsb-release make pkg-config re2c wget \ libpng-dev libjpeg-dev ghostscript libxml2-dev libfreetype6-dev \ libonig-dev libssl1.0-dev libcurl4-openssl-dev libwebp-dev vim \ strace valgrind # libssl1.0-dev libonig-dev # Make the default directory you WORKDIR /var/app CMD tail -f /var/app/README.md