Wordpresses
Wordpress (.org) is a highly extendable blogging software, that is commonly used to make websites without any of the blogging features enabled.
Wordpress.com by the same company offers hosted Wordpress as a service, starting from 5€ / month (billed annually)
Links
- Wordpress installation instructions ByJuho.fi - these may be a bit outdated, but explain the general workflow
- Installing and automating the renewal of a SSL/TLS cert with acme.sh and the DNS API HOWTO by Juho on at ByJuho.fi
Wikipedia