For people that want something much smaller (dependency-wise), I can recommend letsencrypt.sh which – together with cron – achieves the same goal: <a href="https:&#x2F;&#x2F;github.com&#x2F;lukas2511&#x2F;letsencrypt.sh" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;lukas2511&#x2F;letsencrypt.sh</a>