Learn how to easily mock external HTTP services in your Lambda functions using Stubr, a WireMock adaption in Rust, and Lambda extensions. Mocking allows team to build in isolation, reducing the need for coordination in shared non-production environments.

Learn how to use AWS CloudWatch Math Expressions to improve alarm accuracy when the metrics you track include missing data points. Missing data is common in metrics such as Lambda Errors or Lambda Invocations, and alarms on these metrics can behave weirdly at times. Never miss a beat again!

Learn how to build a Lambdalith API with Hono and deploy it with Lambda Function URLs and CloudFront, using OAC and bearer authentication to restrict access. Compared to REST API Gateway, you can save up to 66.7% of the cost.