rpi_docker_home_server/images/haproxy/letsencrypt.cron

#!/bin/sh

# https://community.letsencrypt.org/t/renew-incorrect-validation-certificate-for-tls-sni-01-challenge/64865/2
#certbot renew --tls-sni-01-port=8888
certbot renew --preferred-challenges http

for _URL in `ls /etc/letsencrypt/live`; do
    cat /etc/letsencrypt/live/${_URL}/fullchain.pem \
        /etc/letsencrypt/live/${_URL}/privkey.pem \
        > /etc/letsencrypt/haproxy/${_URL}.pem;
done;