Google have partnered with O'Reilly to publish the Building Secure & Reliable Systems book, which looks to security best practices from Google SRE teams. The book is available to download for free.
Andrey Nikishaev posted a great how to article on Medium describing the steps involved in deploying a simple app in a Docker container on AWS free tier.
The Website Carbon Calculator calculates the carbon used by a website by estimating the data transfer over the wire, the energy intensity of web data, the energy source used by the data centre, the carbon intensity of electricity, and the website's traffic.
Kyle Redelinghuys created an API for Coronavirus data released by John Hopkins CSSE. The API allows the number of cases per country to be broken down and retrieved.