a docker of standard frontend backend nginx proxy
docker run \
-d \
--name proxy-nginx \
-p 80:80 \
-p 443:443 \
-v /certbot/nginx.conf:/etc/nginx/conf.d/default.conf \
-v /etc/letsencrypt:/etc/letsencrypt \
-v /certbot/dhparam.pem:/etc/ssl/certs/dhparam.pem \
nginx:alpine