AWS launched Lambda MicroVMs this week, and it solves the very timely problem of “how to create sandboxed environments so we can safely run AI-generated or user-supplied code?” It offers a unique combination of properties amongst AWS’s comp…
Modern applications rarely do just one thing at a time. An API request creates an order, and then another service needs to reserve stock, another to charge the customer, another to send an email, and so on. In a serverless or event-driven a…
I help clients go faster for less using serverless technologies. re:Invent is almost upon us. A number of significant features have already been announced ahead of the main event. Here is a list of the serverless-related announcements so fa…
I help clients go faster for less using serverless technologies. AppSync doesn’t allow unauthenticated API calls. To allow users to call your API without first authenticating themselves, you must mimic the behaviour using one of the availab…
I help clients go faster for less using serverless technologies. A common challenge when building APIs is supporting multiple live versions without letting the system turn into an unmaintainable mess. You need to keep older versions running…
I help clients go faster for less using serverless technologies. When we talk about event-driven architectures, we often focus on things like loose coupling, scalability and DDD. But under the hood, the way consumers receive events matters
I help clients go faster for less using serverless technologies. “Ephemeral environments” refers to the ability to create short-lived copies of your system so that: It’s a powerful practice and works great with services that charge on a pay…
I have run production workloads at scale in AWS since 2010 and have a track record of improving businesses with technology. I have been an architect and principal engineer within a variety of industries including banking, e-commerce, social…
Here are the biggest serverless announcements at re:Invent 2025. In this post, let’s take a deep dive into Lambda Managed Instances, and understand * Why you should care * Important considerations * When to use it Here are the best pre:Inve…
👋 Hi, I’m Yan Cui, I help clients go faster for less using serverless technologies. I have run production workloads at scale in AWS since 2009 and have a track record of improving businesses with technology. For instance, I lead a small te…
Here are the best pre:Invent serverless announcements, featuring: * API Gateway integration with ALB (without NLB) * API Gateway supports response streaming * DynamoDB supports multi-attribute composite keys * ALB adds built-in JWT verifica…
When we talk about event-driven architectures, we often focus on things like loose coupling, scalability and DDD. But under the hood, the way consumers receive events matters just as much. And it usually comes down to one of two models: pus…