renew_certs.sh

#!/bin/bash

# Reference
# https://www.programonaut.com/setup-ssl-with-docker-nginx-and-lets-encrypt/

# --dry-run to simulate renewal
docker run -it --rm --name certbot \
    -v "/etc/letsencrypt:/etc/letsencrypt" \
    -v "/var/lib/letsencrypt:/var/lib/letsencrypt" \
    -v "/var/log/letsencrypt:/var/log/letsencrypt" \
    -v "/var/www/certbot:/var/www/certbot" \
    certbot/certbot renew --webroot -w /var/www/certbot --force-renewal --agree-tos