AWS Compute Blog

Category: Serverless

Building an electronic security lock using serverless

In this guide I show how to build an electronic security lock for package delivery, securing physical documents, or granting access to a secret lab. This project uses AWS Serverless to create a touchscreen keypad lock that uses SMS to alert a recipient with a custom message and unlock code. Files are included for the […]

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Concurrent executions

Creating low-latency, high-volume APIs with Provisioned Concurrency

This post examines how cold starts impact performance in serverless backends for web applications. It shows how the most important focus area is usually synchronous APIs called by the frontend application. I explain options available for targeting cold starts in the Lambda service.

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CloudWatch monitoring details

Load testing a web application’s serverless backend

In this post, I discuss focus areas for load testing of serverless applications, and highlight two tools commonly used. I show how to configure Artillery with customized functions, and how to run tests to simulate load on the Ask Around Me application.

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Combining multiple models in one application

Managing backend requests and frontend notifications in serverless web apps

Web and mobile applications usually interact with a backend service, often via an API. Many front-end applications pass requests for processing, wait for a result, and then display this to the user. This synchronous approach is only one way to handle messages, but modern applications have alternatives to provide a better user experience. There are […]

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An Adafruit PyPortal displaying a quote while synthesizing and playing speech using Amazon Polly.

Adding voice to a CircuitPython project using Amazon Polly

An Adafruit PyPortal displaying a quote while synthesizing and playing speech using Amazon Polly. As a natural means of communication, voice is a powerful way to humanize an experience. What if you could make anything talk? This guide walks through how to leverage the cloud to add voice to an off-the-shelf microcontroller. Use it to […]

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AWS Serverless First Function Header

ICYMI: Serverless-First Function

On May 21 and May 28, AWS hosted the first-ever serverless-focused virtual event, the AWS Serverless-First Function. These two free virtual events covered important aspects of a successful serverless approach: Serverless for your Organization and Serverless for your Application. Serverless for your Organization, on May 21, focused on real-world tactics for transforming your organization to […]

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Explanation of CI/CD stages

Building well-architected serverless applications: Approaching application lifecycle management – part 3

This series of blog posts uses the AWS Well-Architected Tool with the Serverless Lens to help customers build and operate applications using best practices. In each post, I address the nine serverless-specific questions identified by the Serverless Lens along with the recommended best practices. See the Introduction post for a table of contents and explanation […]

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