Highly Available Cloud Infrastructure on AWS

The web is a hostile environment. There are good and bad actors. Bad actors can try to poke holes in your security or try to bring down your website with a Distributed Denial-of-Service (DDoS) attack. Good actors, if you're lucky, will love your website and won't stop using it. They'll shower you with recommendations to improve your site, but they may also run into bugs and may be so enthusiastic that your site may slow down to a crawl due to high traffic. Real-world deployments on the web require a lot of expertise to get them right. As a full-stack developer, you can only know about so many nuances of hardware, software, and networking. Luckily, with the advent of cloud service providers, a lot of this expertise has been translated into software configurations, with the difficult hardware and networking concerns taken care of by the provider.

One of the best features of a cloud service provider is cloud scalability...