Lambda

DynamoDB TTL as an ad-hoc scheduling mechanism

CloudWatch Events let you easily create cron jobs with Lambda. However, it’s not designed for running lots of ad-hoc tasks, each to be executed once, at a specific time. The default limit on CloudWatch Events is a lowly 100 rules per region per account. It’s a soft limit, so it’s possible to request a limit …

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Production-Ready Serverless is coming to a workshop near you!

As we approach the completion of my video course Production-Ready Serverless, I have also delivered the course in a classroom setting with both SimplyBusiness and the DVLA in the UK. In the coming months, I will also be running public workshops at various conferences and user groups: AWS User Group 17th Oct @ The Telegraph, London (sold …

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How to create IP-protected endpoints with API Gateway and Lambda

If you haven’t been paying close attention you might have missed the API Gateway announcement for resource policies. It later played a key role in supporting API Gateway private endpoints – a way to put your API inside a private VPC. To configure resource policies with the Serverless framework, you need to upgrade to v1.28.0 or …

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Step Functions: how to implement semaphores for state machines

Here at DAZN, we are migrating from our legacy platform into a brave new world of microfrontends and microservices. Along the way, we also discovered the delights that AWS Step Function has to offer, for example… flexible error handling and retry the understated ability to wait between tasks the ability to mix automated steps with …

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Video and slides for my talk “applying principles of chaos engineering to Serverless”

Hello, just a quick note to tell you that recording of my talk at the recent AWS User Group meetup is now live! In this talk, I introduced the core concepts of chaos engineering, and the challenges that the Serverless paradigm brings to the existing tools and practices we use. I then looked at techniques …

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Video and slides for my talk “applying best parts of Microservices to Serverless”

Hello, just a quick note to tell you that recording of my keynote at ServerlessDays TLV is now live! In this talk, I looked at a number of important lessons we learnt from the Microservices world and how they are still relevant to us as move to Serverless, and we can apply past learnings and …

Video and slides for my talk “applying best parts of Microservices to Serverless” Read More »

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