Lambda

Choreography vs Orchestration in the land of serverless

Choreography and Orchestration are two modes of interaction in a microservices architecture. In orchestration, there is a controller (the ‘orchestrator’) that controls the interaction between services. It dictates the control flow of the business logic and is responsible for making sure that everything happens on cue. This follows the request-response paradigm. In choreography, every service …

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Are Lambda-to-Lambda calls really so bad?

If you utter the words “I call a Lambda function from another Lambda function” you might receive a bunch of raised eyebrows. It’s generally frowned up for some good reasons, but as with most things, there are nuances to this discussion. In most cases, a Lambda function is an implementation detail and shouldn’t be exposed …

Are Lambda-to-Lambda calls really so bad? Read More »

Production-Ready Serverless is back (with improved curriculum)!

My 4-week Production-Ready Serverless workshop is back! With an improved and more comprehensive curriculum based on student feedback from the last run in May, when over 50 students from around the world took part. This is a hands-on workshop where you will learn best practices for building serverless applications by building an e-commerce solution from …

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Skill up your serverless game with my new instructor-led online workshop

Have you been wondering about serverless but just don’t know how and where to start? Maybe you’re already building stuff with serverless, but don’t know if you’re doing it right? Are you unsure about the best practices for testing, monitoring and how to choose between similar services like SNS and EventBridge?   I have just …

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Hit the 6MB Lambda payload limit? Here’s what you can do.

So you have built a serverless application, that, amongst other things, lets you upload images and files to S3. The set-up is very simple: API Gateway, Lambda and S3. It took you no time to implement and it works like a dream. You pat yourself on the back for another job well done. Until one …

Hit the 6MB Lambda payload limit? Here’s what you can do. Read More »

How to: optimize Lambda memory size during CI/CD pipeline

Lambda invocations are charged in 100ms blocks of execution time. But the cost per 100ms of execution time depends on how much memory you allocate to the function. The higher the memory, the more CPU cycles and network bandwidth, but the higher the cost as well. One of the simplest and most efficient cost optimization …

How to: optimize Lambda memory size during CI/CD pipeline Read More »

Real-World Serverless: fully-serverless insurance company with Joe Emison

In this two-part conversation on Real-World Serverless, I spoke with Joe Emison about his experience with serverless and his latest venture, Branch, a home and auto insurance company that is built fully-serverlessly by a small team. Joe is easily one of the smartest people working with serverless technologies today and I’m very grateful that he …

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Real-World Serverless: state of serverless adoption at Zoopla

In the first-ever episode of Real-World Serverless, I spoke with Ricardo Espirito Santo about the state of serverless adoption at Zoopla – how they’re using serverless, their experience with it so far, and the challenges they have faced. Zoopla is a UK company in the real estate industry. They were founded in 2008 and their …

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Announcing the new Real-World Serverless podcast

I’m excited to announce that my new podcast Real-World Serverless is LIVE! It’s a brand new podcast where I discuss real-world use cases and challenges with serverless technologies with engineers who are building stuff with them and get their stories from the trenches. The first episode is already live, where I spoke with Ricardo Espirito …

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AWS Heroes united!

So I have some exciting news for you! I have teamed up with my good friend and fellow AWS Serverless Hero, Ant Stanley, to launch my Production-Ready Serverless workshop on his brand spanking new training platform Senzo. We’re running a 2-day workshop in London on March 16th & 17th, you can learn more about the …

AWS Heroes united! Read More »

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