The easiest way to use letsencrypt with jwilder/nginx-proxy

At jwilder/nginx-proxy issue can you add Let's Encrypt one can find discussion on how to add letsencrypt support for popular nginx-proxy for docker.
The easy way to do this that works for a while on our production environment is docker-letsencrypt-nginx-proxy-companion. Features follow.

1. Automatic creation/renewal of Let's Encrypt certificates using original nginx-proxy container.
2. Support creation of Multi-Domain (SAN) Certificates.
3. Automatically creation of a Strong Diffie-Hellman Group (for having an A+ Rate on the Qualsys SSL Server Test).
4. Work with all versions of docker.