DigitalOcean Spaces is a cloud-based object storage service provided by DigitalOcean, a cloud infrastructure provider. It allows users to store and retrieve large amounts of data, such as images, videos, audio files, backups, and logs, using a simple RESTful API or a web-based graphical user interface (GUI).
Frappe is a full stack, batteries-included, web framework written in Python and Javascript.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.