AWS Archives

Yubl’s road to Serverless architecture – building a scalable push notification system

AWS, Lambda, Programming, S3, Serverless

part 1: overview part 2: testing and CI/CD part 3: ops part 4: building a scalable notification system <- you’re here part 5: building a better recommendation system Just before Yubl’s untimely demise we did an interesting piece of work to redesign the system for sending targeted push notifications to our users to improve retention. The …

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Auto-scaling Kinesis streams with AWS Lambda

AWS, Kinesis, Lambda, Programming, Serverless

Following on from the last post where we discussed 3 useful tips for working effectively with Lambda and Kinesis, let’s look at how you can use Lambda to help you auto scale Kinesis streams. Auto-scaling for DynamoDB and Kinesis are two of the most frequently requested features for AWS, as I write this post I’m sure the folks …

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AWS Lambda —3 pro tips for working with Kinesis streams

AWS, Kinesis, Lambda, Programming, Serverless

At Yubl, we arrived at a non-trivial serverless architecture where Lambda and Kinesis became a prominent feature of this architecture. Whilst our experience using Lambda with Kinesis was great in general, there was a couple of lessons that we had to learn along the way. Here are 3 useful tips to help you avoid some …

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AWS Lambda – build yourself a URL shortener in 2 hours

API Gateway, AWS, DynamoDB, Lambda, Programming, Serverless

An interesting requirement came up at work this week where we discussed potentially having to run our own URL Shortener because the Universal Links mechanism (in iOS 9 and above) requires a JSON manifest at https://domain.com/apple-app-site-association Since the OS doesn’t follow redirects this manifest has to be hosted on the URL shortener’s root domain. Owing to a limitation on AppsFlyer it’s …

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Slides for my AWS user group talk – AWS Lambda from the trenches

API Gateway, AWS, Kinesis, Lambda, Programming, Serverless

Hello, just a quick note to say thanks to everyone who attended the AWS user group meetup last night, was a pleasure to talk to many of you afterwards. As promised, here are the slides for my talk from last night. AWS Lambda from the trenches from Yan Cui

AWS Lambda – comparing platform performances

AWS, Lambda, Programming

As Lambda adds nodejs 6.10 to its supported platforms I wondered if there’s any performance differences between the platforms. Thankfully the templates in the Serverless framework make it a relative breeze to test it out with a simple HelloWorld function. The Test see the test code here. I created a simple Lambda function for each platform that will …

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Yubl’s road to Serverless architecture – ops

AWS, Lambda, Programming, Serverless

part 1: overview part 2: testing and CI/CD part 3: ops <- you’re here part 4: building a scalable notification system part 5: building a better recommendation system A couple of folks asked me about our strategy for monitoring, logging, etc. after part 2, and having watched Chris Swan talk about “Serverless Operations is not a …

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Yubl’s road to Serverless architecture – Testing and CI/CD

API Gateway, AWS, Kinesis, Lambda, Node.js, Programming, Serverless

part 1: overview part 2: testing and CI/CD <- you’re here part 3: ops part 4: building a scalable notification system part 5: building a better recommendation system Having spoken to quite a few people about using AWS Lambda in production, testing and CI/CD are always high up the list of questions, so I’d like to use …

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Yubl’s road to Serverless architecture – overview

API Gateway, AWS, DynamoDB, Kinesis, Lambda, Node.js, Programming, S3, Serverless

part 1: overview <- you’re here part 2: testing and CI/CD part 3: ops part 4: building a scalable notification system part 5: building a better recommendation system Since Yubl’s closure quite a few people have asked about the serverless architecture we ended up with and some of the things we have learnt along the …

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Yubl – a sad end to a wonderful journey

AWS, Lambda, Me, Serverless

By now many of you would have heard about the demise of Yubl – the startup where I have been working the last 7 months – in the same week Karhoo also announced its closure. It took all of us by surprise, and happened at a time when we have made real strides in the (r)evolution of our backend architecture. …

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