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 …
Real-World Serverless: state of serverless adoption at Zoopla Read More »
It’s been almost 2 weeks since I announced my new course “Learn you some Lambda for great good!” and the reception has been amazing with nearly 250 of you have preordered the course! I’m truly humbled by the faith all of you have shown in me. Of course, I have been working hard myself too. …
Hi, I have some exciting news :-) I’m publishing a new video course “Learn you some Lambda best practice for great good!“. You can preorder the course right now for the special price of £9.99 (~$13) while I’m still working on the content. The first batch of lessons would be available on the 17th Jan …
New course – Learn you some Lambda best practice for great good! Read More »
Disclaimer: this is a long list, you don’t need to tick every box to go-live. Think of them as a ladder, the more critical a system the higher you should try and climb. Observability Enable detailed monitoring to get per-method metrics (e.g. latency for GET /index). Without this, CloudWatch only reports aggregated metrics for all …
Check-list for going live with API Gateway and Lambda Read More »
I’m absolutely thrilled to tell you about an exciting new feature for the lumigo-cli, the ability to analyze Lambda cold starts. With the new analyze-lambda-cold-starts command, you can analyze cold starts for: all functions in all regions all functions in a single region a single function You can specify how far back you want the …
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 …
Where Serverless plugin stops and platform starts Read More »
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 …
The API Gateway security risk you need to pay attention to Read More »
Last week, someone asked me at the AWS User Group in The Hague “Is caching still relevant for serverless applications?” The assumption here 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 …
All you need to know about caching for serverless applications Read More »
Update 06/04/2023: It’s been 3 years since I originally wrote this blog post and I want to share some updates to my thinking because this blog post was referenced in a recent PR for the serverless-esbuild project. Thanks, Fredrick for messaging me about this. Let me start by saying that the risks I outlined in …
Should you pack the AWS SDK in your deployment artefact? Read More »
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 …
How to include SNS and Kinesis in your e2e tests Read More »
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