Bookmarks (853)

An AWS Lambda Function to Retrieve Twitter Follower Count — To get comfortable with AWS Lambda, Raf decided to build something both simple and useful.

Sending Discord Notifications using CloudWatch Alarms, SNS and AWS Lambda — How to send a notification to a Discord Channel when a CloudWatch alarm is triggered.

What We've Learned Using AWS Lambda in Production for Over a Year — Brocoders builds software systems for other people and here they tell the story of how they got started bringing Lambda into their stack arsenal and the limitations they’ve run into.

A Look At AWS X-Ray's New Integration with AWS Step Functions — AWS Step Functions now integrates with AWS X-Ray (the distributed app analysis and debugging tool) so you can trace your serverless orchestration workflows. As part of this, Datadog can also monitor step functions using this integration.

▶  The Story of the Serverless Framework — The first of a two part podcast interview where Jeremy Daly talks to Austen Collins (CEO of Serverless Inc) about the origins of Serverless Framework and Serverless Inc.

Join Me at Microsoft Create:Serverless: Conversations with Community and Industry Experts — Me and a whole amazing raft of great serverless speakers and community members are getting together on Sep 30 for a half-day virtual event. If you want to join in, you can learn more and register here (it’s free).

Serverless Land: Resources for Learning About AWS Serverless Technology — The folks over at Amazon have put together a site to bring together all of their various resources regarding working with all the serverless features available in AWS. We’ll also keep an eye on it and link to the best bits over time.

▶  Seven Talks from ServerlessDays Warsaw 2020 — The whole world became Warsaw two weeks ago as ServerlessDays Warsaw took place online. Now, the talks are becoming available for us to watch, including:

▶  Eight Tips for Mastering AWS SAM (Serverless Application Model) — In just 10 minutes Marcia Villalba shares some useful tips for using AWS SAM, a framework for more easily building serverless apps on top of AWS.

How 'cdnjs' Migrated to Serverless with Workers KV — cdnjs is a free CDN service that hosts almost 4000 JavaScript libraries. Cloudflare provides the CDN services, but now it’s been remodelled to using their serverless Workers platform and Workers KV key-value data store – here’s the full story.

Google Cloud API Gateway Now in Public Beta — A new fully-managed Google Cloud service for creating, securing, and monitoring APIs for serverless workloads - built on top of Envoy. Think GCP’s answer to AWS API Gateway.

Scheduling Irregular AWS Lambda Executions Through DynamoDB TTL Attributes — An older post, but one I missed at the time. This is an interesting way to schedule Lambda invocations in irregular ways (e.g. “run this function once in 2 days and 10 hours and then again in 4 days”).

Exploring AWS Lambda Deployment Limits — It might be a serverless service that can scale a long way, but Lambda does have a variety of limitations to be aware of, such as total deployment size, the amount of memory you can use, timeouts, etc.

React and Serverless - Full-Stack Web Development — Learn how to build secure and production-ready JAMstack applications using React and Netlify (Serverless) Functions. We’ll cover authentication, data storage in Airtable, Styled Components, Continuous Integration with Netlify, and more.

Medical Image Classification using Azure Functions and Cognitive Services — Walks through what’s involved in training a classification model on Azure Cognitive Services, a suite of AI related APIs, and then building a serverless API to classify X-ray images.

▶  Discussing Serverless Transformation at AWS — Holly Mesrobian, a director of engineering at AWS, talks to Jeremy Daly about how teams at AWS are adopting serverless technologies for themselves and how AWS Lambda is making other AWS services better.

Running a Serverless OAuth Proxy with Grant — Grant is a JavaScript-powered OAuth proxy that, till now, has needed to be run in a typical HTTP servery way, but.. it now supports AWS Lambda, Azure Functions, Cloud Functions and Vercel out of the box!

Case Study: Learn How Intercom Reduced Test Times by 85% 🚀 — Self-hosted agents work w/ all source code tools, languages and platforms, reliably speeding up tests at any scale.

Workflows Beta: A New Google Cloud Service to Orchestrate Workflows — Workflows provides serverless workflow orchestration of Google Cloud products and any HTTP-based APIs, including private endpoints and SaaS, with a pay as you go model. You define/code these workflows using a YAML-based language.

▶  How to Build a Low-Latency Serverless GraphQL API on AWS with Node, AppSync, Lambda, and DynamoDB — As long as you’re happy with the AWS ecosystem, there’s a lot to enjoy in this 28 minute video. AppSync, Lambda, and DynamoDB really allow you to pull together something quite powerful in a short period of time and AppSync handles most of the GraphQL heavy lifting.

Open-Source Framework for Building Serverless Web Apps — If you are looking to build full-stack serverless web apps, checkout Webiny. It's open-source, it uses React, Node, GraphQL and TypeScript. It deploys your apps to your AWS cloud and runs on top of Lambda functions.

Serverless September: Daily Serverless Content — We’ll link to some of the articles as the month progresses, but if you want to keep up to date, each day this page will link to new articles posted as part of Azure’s Serverless September serverless content push. It won’t surprise you most articles will be covering Azure Functions, of course :-)

Building a Sudoku-Solving Serverless Endpoint using WebAssembly — A post that brings together some interesting ideas, like building an existing C++ library as WebAssembly then linking against it from a serverless endpoint. It leans on OR-Tools, a set of tools, built by Google, for solving combinatorial optimization problems (like a Sudoku puzzle!)

Implementing a Serverless Passwordless Login with FaunaDB — FaunaDB is a globally distributed database targeted at serverless use cases.

Surviving a Heatwave Using Google Cloud Functions — Dealing with a humid and hot summer in Belgium, Adriaan wanted some reminders to open and close his windows and curtains at certain times to keep temperatures bearable. This is how he approached the task using Google’s serverless platform.

▶  From ColdFusion to Serverless with Raymond Camden — Jeremy Daly chats with Ray Camden about his journey from working with ColdFusion to serverless, how developers should be thinking about the serverless paradigm, and why the Jamstack (yes, we have a newsletter about that!) provides a perfect level of abstraction.

Creating Serverless Functions on Vercel — A walk through the steps to create serverless functions on the Vercel service.

A Deep Dive into Serverless Tracing with AWS X-Ray and Lambda — “I wanted to see if I could use AWS X-Ray to get everything I wanted out of a tracing solution” .. and Steven goes into quite some depth finding out.

Serverless-Flow: A CI/CD Branching Workflow Optimized for Speed and Quality — The ‘GitHub flow’ is the popular approach of branching, committing, creating a pull request, and merging, that’s used on GitHub repos. Serverless Flow is a proposed equivalent idea for working with CI/CD in serverless scenarios.

Wrangler 1.11.0: The Cloudflare Workers CLI Tool — If you use Cloudflare’s Workers serverless platform, Wrangler is well worth using and it’s become a lot easier to use with this release that lets you log in to the system right from the command line.

How I Write Meaningful Tests for AWS Lambda Functions — Testing is a common theme this week. In this case, the author looks at some hurdles you need to overcome and recommends moto as a way to mock out AWS services your functions interact with.

Troubleshooting Binaries in AWS Lambda — If you’ve worked with binary dependencies on AWS Lambda, you’ll probably have run into a few tricky issues to clear up (I certainly have!). Alejandro provides some tips to keep in mind.

How Square Provides mTLS Identities to Lambdas — How Square issues identity (by way of mTLS) to AWS Lambda based apps so they can make authenticated calls to applications running in Square’s data center.

Exposing a SOAP Service as a REST API - The Serverless Way — If you’ve got a SOAP-based Web service, there are a variety of ways you can expose it via other protocols/standards. One way is to put API Gateway and a Lambda in front of it to translate calls to the service.

▶  Discussing Building Serverless with Begin — This week, Jeremy Daly spoke with Paul Chin, Jr. about how Begin (a serverless deployment tooling platform) and Architect (a serverless framework for JS, Python and Ruby) make it easier to build and deploy serverless applications.

API Gateway HTTP APIs Adds Integration with Five AWS Services — API Gateway provides a handy way to offer APIs powered by Lambda functions (or other HTTP services) behind the scenes, but now you can hook it up to AppConfig, EventBridge, Kinesis Data Streams, SQS, and Step Functions too which opens up a lot of new serverless-feeling opportunities (e.g. starting a Step Functions workflow by a simple HTTP call).

Logging in the Age of DevOps — It is key to maintain visibility and security in today’s fast-moving, highly dynamic environments. Check out this eBook on how best to approach the log management challenges that teams face today.

Serverless, Testing, and Two Thinking Hats — The author shares how he tests serverless applications, noting that his approach tends to “buck the trend of what a lot of people consider ‘best practice’”.

Cloudflare Workers Gets New and Improved Docs — Following user feedback, Cloudflare has reorganized and reformatted all of its Workers documentation to make it easier to navigate and read. You can see the end results here.

Alibaba Midway Serverless v1.0: Node.js Serverless Tooling — A serverless framework used to build serverless functions with Node, currently for Alibaba Cloud and Tencent Cloud only. GitHub repo.

Scheduling AWS Lambda Provisioned Concurrency for Recurring Peak Usage — The concurrency of an AWS Lambda serverless function is the number of requests it can handle at any given time, and while serverless is designed to flexibly scale, you might want to use provisioned concurrency to avoid ‘cold starts’.

Analyze and Debug Serverless Performance in Datadog — Collect custom metrics from serverless functions and correlate them with cold starts to identify customer-facing latency.

Running Headless Chromium on Azure Functions with Puppeteer and Playwright — With a recent update to Azure Functions, it is now possible to run headless Chromium in the Linux Consumption plan. This enables some serverless browser automation scenarios using popular frameworks such as Puppeteer and Playwright.