Here are the biggest serverless announcements at re:Invent 2025. The post The biggest re:Invent 2025 serverless announcements appeared first on theburningmonk.com.

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 The post What you need to know about Lambda Managed Instances appeared first on theburningmonk.com.

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 verification * Step Functions adds mocking support to its TestState API * S3 supports Attribute-Based Access Control (ABAC) * Lambda doesn’t need NAT Gateway anymore! * Lambda supports native tenant isolation * Lambda adds provisioned mode for SQS ESM * Lambda ups max payload si[...]

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 available authorization methods. In this post, let’s look at three ways to implement unauthenticated GraphQL operations with AppSync and their pros & cons. The post AppSync: how to implement unauthenticated operations appeared first on theburningmonk.com.

Versioning an API built with API Gateway and Lambda isn’t as straightforward as it sounds. You need to support multiple live versions without piling up technical debt or duplicating infrastructure. In this post, we look at practical strategies for managing API versions - from duplicating functions to routing by headers - and weigh the trade-offs so you can choose the right approach for your team. The post How to version APIs with API Gateway and Lambda appeared first on theburningmonk.com.