DNS + NGINX + TLS

Objectives

1. DNS type A record

   #1
2. Fighting firewall: iptables, netfilter-persistent

   #2
3. Configuring Nginx: .conf file

   #3
4. Installing TLS certificates uisng certbot

   #4
5. Google sign in: update OAuth callback URLs

   #5
6. Django settings: secure cookies, ALLOWED_HOSTS, CSRF_TRUSTED_ORIGINS, HSTS

   #6
7. Verify HTTPS

   #7