I can&#x27;t speak to the others that have been mentioned in this thread (tini in particular seems to be identical), but the solution used by phusion&#x2F;baseimage is written in python[0] - a C-based solution allows for lighter-weight containers<p>[0]: <a href="https:&#x2F;&#x2F;github.com&#x2F;phusion&#x2F;baseimage-docker&#x2F;blob&#x2F;master&#x2F;image&#x2F;bin&#x2F;my_init" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;phusion&#x2F;baseimage-docker&#x2F;blob&#x2F;master&#x2F;imag...</a>