Serverless

Cloud engineering thoughts, guides, and lessons learned

Case Study 13 min read

How We Built a Newsletter System for 15p a Month

Most newsletter platforms charge £16 or more per month for a thousand subscribers. Ours costs about 15p. Here is how we built it, why we made the choices we did, and what it looks like under the hood.

TL;DR for non-techies

If you have subscribed to our blog (or are thinking about it), here is what happens behind the scenes. You enter your email, we send you a confirmation link, and once you click it you are on the list. When we publish a new post, you get an email with a summary and a link. That is it. No tracking pixels, no marketing funnels, no selling your data to advertisers.

Case Study 19 min read

How we built a serverless marketplace for 13p a month

Most marketplace platforms cost thousands a month to run. Ours costs thirteen pence. Not thirteen pounds - thirteen pence. The kind of money you find between sofa cushions.

This is the story of how we built a fully automated digital marketplace on AWS - and why the architecture decisions behind it might change how you think about selling anything online.

The architecture

Marketplace architecture showing the flow from customer browser through CloudFront, Stripe, EventBridge, Lambda, to SES and S3

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