Certbot + Cloudflare

1. Install Certbot

more: https://certbot.eff.org/lets-encrypt/ubuntubionic-nginx

2. Make cloudflare.ini

Get your API key from: https://dash.cloudflare.com/profile

Secure cloudflare.ini file:

more: https://certbot-dns-cloudflare.readthedocs.io/en/stable/#credentials

3. Install Cloudflare plugin

code: https://github.com/certbot/certbot/tree/master/certbot-dns-cloudflare_
more:_ https://certbot.eff.org/docs/using.html#plugins

4. Activate SSL

Change amirmasoud.me and www.amirmasoud.me to your domains:

more: https://certbot-dns-cloudflare.readthedocs.io/en/stable/#examples