Rebooting my daily mailing practice after life got in the way!

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When you host your application in the Cloud (say AWS or Azure) you have access to virtually infinite scale.

This means, without much preparation, you could run your application on 100 or 10,000 servers and the only limitation is cost.

Similarly, Cloud providers have various "serverless" computing options, which, loosely speaking, is where you can perform logical operations on data and only worry about writing the functions. The provider will take care of running and scaling the "servers" to run your functions.

This is where people get into trouble. When services are misconfigured or misunderstood, it's extremely easy to generate a shockingly large bill.

In general, we expect predictable monthly bills for services, so it's easy to be caught out by the built-in scaling behaviours of the Cloud.

Cloud Computing is an extremely powerful tool, but it can also be an equally powerful footgun.

Tomorrow I'll explain a few ways you can avoid Cloud bill shock.