services: certbot: image: certbot/dns-cloudflare volumes: - ./letsencrypt:/etc/letsencrypt - ./cloudflare:/cloudflare environment: - DOMAIN=${DOMAIN:-mail.haiky.app} - EMAIL=${EMAIL:-deine-email@example.com} command: certonly --dns-cloudflare --dns-cloudflare-credentials /cloudflare/cloudflare.ini --email ${EMAIL:-deine-email@example.com} --agree-tos --no-eff-email -d ${DOMAIN:-mail.haiky.app}