FROM smallstep/step-cli:0.9.0 USER root ENV CRT="/var/run/autocert.step.sm/site.crt" ENV KEY="/var/run/autocert.step.sm/site.key" ENV STEP_ROOT="/var/run/autocert.step.sm/root.crt" ENTRYPOINT ["/bin/bash", "-c", "step ca renew --daemon $CRT $KEY"]