FROM ubuntu:16.04 RUN apt-get update && apt-get install -y coturn wget ENV DOCKERIZE_VERSION v0.6.1 RUN wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \ && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \ && rm dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz COPY ./turnserver.conf.tmpl /etc/turnserver.conf.tmpl CMD [ "dockerize", \ "-template", "/etc/turnserver.conf.tmpl:/etc/turnserver.conf", \ "turnserver", "--syslog" ]