Figure 1. The Timeless Way of Building - Christopher Alexander Many programmers know the name of the architect Christopher Alexander for his work on design patterns that has been adapted into the world of programming. A lot of people know of the, sometimes ridiculed, patterns like strategy (functions!) or visitor (pattern matching!) and some have read the Gang of Four design patterns book that introduced them. A few people know of the Patterns of Software book by Richard P. Gabriel, which is a much more[...]

AWS announced a new feature this week that lets you enable WAF protection for Cognito user pools. And one of the things you can do with this is to implement geo-fencing and IP allow/deny lists. Geo-fencing and IP allow/deny lists are usually implemented in the frontend as well as the backend APIs. But users (and … How to setup geofencing and IP allow-list for Cognito user pool Read More » The post How to setup geofencing and IP allow-list for Cognito user pool appeared first on theburningmonk.com.

You might have encountered this issue when using Amplify to host your single-page applications. An image in the public folder would show up perfectly fine when running locally but it was not found on the live site after Amplify deployed your change. Curiously, this only happens with some images – jpeg, avif, webp… The reason … Amplify: how to fix images that show up locally but not after deployment Read More » The post Amplify: how to fix images that show up locally but not after deployment appeared firs[...]

Update 04/08/2022: turns out there are some valid reasons (analytics and potentially SEO) for redirecting from the apex domain to www. Please see comments from Michael Hart, Mike Lamb and Tyler Love to my tweet here for more details.   I have used Amplify to host all my single-page applications, including the newly revamped sites … Amplify: you shouldn’t allow redirect from apex to www Read More » The post Amplify: you shouldn’t allow redirect from apex to www appeared first on theburningmonk.com.

I recently rebuilt the landing page for both AppSync Masterclass and Production-Ready Serverless. The sites were hosted on Shifter (think serverless WordPress) and Wix respectively. In both cases, the performance of the sites (especially on mobile) left a lot to be desired. A large portion of the user traffics to these sites comes from mobile. … 10 performance optimization tips I learned after rebuilding two course landing pages Read More » The post 10 performance optimization tips I learned after rebuil[...]