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[...]

As I rebuild the landing page for the AppSync Masterclass I wanted to give this boring “about me” section a facelift. After taking inspiration from other landing pages, I decided to go with something like this. Notice the gradient effect towards the bottom of each image? It provides a nice backdrop and contrast for the … How to add a subtle gradient on top of an image using CSS Read More » The post How to add a subtle gradient on top of an image using CSS appeared first on theburningmonk.com.

AWS AppSync added support for Lambda authorizers on 30th July 2021 and it made it much easier to implement group-based authorization with 3rd party identity services. Group-based auth with AppSync and Cognito I previously wrote about how you can secure multi-tenant applications with AppSync and Cognito. Where you can use custom attributes to capture the tenant … Group-based auth with AppSync Lambda authoriser Read More » Liked this article? Support me on Patreon and get direct help from me via a private[...]

With API Gateway and Lambda, you can handle client errors gracefully by returning a 4xx response. module.exports.handler = async (event) => { // run validation logic return { statusCode: 400 } } This way, we can communicate clearly to the client that there’s a problem with its request. It also lets the Lambda invocation complete … How to handle client errors gracefully with AppSync and Lambda Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or[...]

It’s been two years since I last wrote about Lambda layer and when you should use it. Most of the problem I discussed in that original post still stands: It makes it harder to test your functions locally. You will still need those dependencies to execute your function code locally as part of your tests. … Lambda layer: not a package manager, but a deployment optimization Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or 1-2-1 mentoring. [...]