Where Serverless plugin stops and platform starts

I’m a long-time user of the Serverless framework and a big fan of its plugin system. It offers tremendous flexibility and there exists a rich ecosystem of community-driven plugins. It’s easily the Serverless framework’s greatest strength and the reason why I keep going back to it. However, I have observed a common pattern where customers …

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Weekly update 35

Hi, welcome to another weekly update! Let’s work together in 2020 Are you still on the fence about serverless and need strategic guidance on how best to safely introduce serverless to your organization and reap its benefits? Are your engineers lacking experiences with AWS and serverless and you need help upskilling the teams? Or maybe …

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The API Gateway security risk you need to pay attention to

When you deploy an API to API Gateway, throttling is enabled by default in the stage configurations. By default, every method inherits its throttling settings from the stage. Having built-in throttling enabled by default is great. However, the default method limits – 10k req/s with a burst of 5000 concurrent requests – matches your account …

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All you need to know about caching for serverless applications

Last week, someone asked me at the AWS User Group in The Hague “Is caching still relevant for serverless applications?”  The assumption there is that Lambda auto-scales by traffic, so do we still need to worry about caching? And if so, where and how do we implement caching? So let’s break it down. Caching is …

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Should you pack the AWS SDK in your deployment artefact?

Update 01/10/2019: a few of you have mentioned layers in the comments or on social media. Scroll to the bottom to see my thoughts on layers as a solution to the problems I mentioned in this post. A version of the AWS SDK is always bundled into the Lambda runtime for your language. So the …

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Weekly update 34

Hi, welcome to another weekly update! Let’s welcome back Blue Matador as this month’s sponsor! Blue Matador is monitoring alert automation for AWS and Kubernetes environments. Our proactive alerts take the time and toil out of monitoring. Trying to understand baselines and thresholds, and configuring alerts, especially in black boxes like Lambda and K8s, requires …

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How to include SNS and Kinesis in your e2e tests

Update 17/09/2019: based on feedback, I added a few more alternatives that do not require you to deploy additional Lambda functions to the e2e-test stage. Scroll to the end to find out more. Being event-driven is a key characteristic of a serverless architecture. Often our Lambda functions would publish events to SNS topics or Kinesis …

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Why you should use temporary stacks when you do serverless

One of the benefits of serverless is the pay-per-use pricing model you get from the platform. That is, if your code doesn’t run, you don’t pay for them! Combined with the simplified deployment flow (compared with applications running in containers or VMs) it has enabled many teams to make use of temporary CloudFormation stacks. In …

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