Category: AWS Serverless Application Model

Web application backends are one of the most popular workload types for serverless applications. The pay-per-value model works well for this type of workload. As traffic grows, it’s important to consider the design choices and service configurations used to optimize your cost.

AWS Lambda Extensions is now generally available, For more information, see “Getting started with using your favorite operational tools on AWS Lambda“. AWS Lambda is announcing a preview of Lambda Extensions, a new way to easily integrate Lambda with your favorite monitoring, observability, security, and governance tools. Extensions enable tools to integrate deeply into the […]

AWS Lambda Extensions is now generally available, For more information, see “Getting started with using your favorite operational tools on AWS Lambda“. AWS Lambda is announcing a preview of Lambda Extensions, a new way to easily integrate Lambda with your favorite monitoring, observability, security, and governance tools. In this post I explain how Lambda extensions […]

Queues, publish/subscribe services, and event buses are important parts of a resilient, well-architected serverless application. These are provided in AWS by SQS, SNS, and EventBridge.

Messaging is an important part of serverless applications and AWS services provide queues, publish/subscribe, and event routing capabilities. This post reviews the main features of SNS, SQS, and EventBridge and how they provide different capabilities for your workloads.

This blog post walks through a sample application repo and explains the process for retrieving a signed URL from S3. It explains how to the test the URLs in both Postman and in a web application. Finally, I explain how to add authentication and make uploaded objects publicly accessible.

Amazon API Gateway is often used for managing access to serverless applications. Additionally, it can help developers reduce code and increase security with features like AWS WAF integration and authorizers at the API level. Because more is handled by API Gateway, developers tell us they would like to see more data points on the individual […]

This guide demonstrates creating and deploying a production ready document scanning application. It allows users to manage projects, upload images, and generate a PDF from detected text. The sample can be used as a template for building expense tracking applications, handling forms and legal documents, or for digitizing books and notes. The frontend application is […]

Developers building serverless applications often wonder how they can jump-start their local development environment. This blog post provides a broad guide for those developers wanting to set up a development environment for building serverless applications. AWS and open source tools for a serverless development environment . To use AWS Lambda and other AWS services, create […]

Previously in this series, you deploy a simple workflow for processing image uploads in the Happy Path web application. In this post, you add progressively more complex functionality by deploying new versions of workflows.