Dehydrated client with Cloudflare hook, run inside a Docker container.

1. Create the following files:
   docker-compose.yml

   version: '3'
   services:
     certs:
       image: carlgo11/dehydrated-docker
       env_file:
         - .env
       volumes:
         - ./domains.txt:/tmp/domains.txt:ro
         - ./certs/:/persistent/certs
         - persistent:/persistent
       tmpfs:
         - /tmp
       read_only: true
       restart: unless-stopped
   
   volumes:
     persistent:

   .env

   CF_EMAIL=""
   CF_KEY=""
   CF_SETTLE_TIME=""
   CONTACT_EMAIL=""
   CA="letsencrypt"

2. Create the directory certs

   mkdir certs
   chown 1000:1000 certs

3. Create domains.txt and fill it the desired domains to create certificates for:

   example.com
   sub.example.com
   

• Manually run the script

  docker-compose up

• Run the script via a cron job

  # Run at start of each month
  0 0 1 * * cd ${SCRIPT PATH}; docker-compose up