FROM smallstep/step-cli:0.8.3 ARG BINPATH="bin/step-ca" ENV PORT=9000 ENV CONFIGPATH="/home/step/.step/config/ca.json" ENV PWDPATH="/home/step/secrets/password" COPY $BINPATH "/usr/local/bin/step-ca" EXPOSE $PORT VOLUME ["/home/step/.step/secrets"] VOLUME ["/home/step/.step/config"] VOLUME ["/home/step/secrets"] STOPSIGNAL SIGTERM CMD exec /bin/sh -c "/usr/local/bin/step-ca --password-file $PWDPATH $CONFIGPATH"