Required Nginx,SSL,Ubuntu freelancer for Docker with reverse proxy SSL job

I require the following

- Someone to show me how to bind a docker container to a reverse proxy with a certificate I already have

If possible please show me how to bind it to letsencrypt and run on port 443

Project files would be

Snappass which is opensource

This is running on an ubuntu box
Dev should be experience with
docker
nginx
ubuntu or any linux OS

Skills & Expertise Required

Nginx SSL Ubuntu