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 …
Yubl’s road to Serverless architecture – overview Read More »
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. …
[slideshare id=67212536&doc=buildreactivesystemsonlambda-161015103832]
First of all, apologies for taking months to write this up since part 1, I have been extremely busy since joining Yubl. We have done a lot of work with AWS Lambda and I hope to share more of the lessons we have learnt soon, but for now take a look at this slidedeck to get a flavour. …
AWS Lambda – use recursive function to process SQS messages (Part 2) Read More »
Simplifying things in our daily lives “Life is complicated… but we use simple abstractions to deal with it.” – Adrian Cockcroft When people say “it’s too complicated”, what they usually mean is “there are too many moving parts and I can’t figure out what it’s going to do next, that I haven’t figured out an …
Takeaways from “Simplifying the Future” by Adrian Cockcroft Read More »
When working with AWS Lambda, one of the things to keep in mind is that there’s a per region limit of 75GB total size for all deployment packages. Whilst that sounds a lot at first glance, our small team of server engineers managed to rack up nearly 20GB of deployment packages in just over 3 months! Whilst …
AWS Lambda – janitor-lambda function to clean up old deployment packages Read More »
[slideshare id=64378303&doc=awslambdafromthetrencheslongversion-160726030111]
Hello! Sorry for the lack of posts recently, it’s been a pretty hectic time here at Yubl, with plenty of exciting work happening and even more on the way. Hopefully I will be able to share with you some of the cool things we have done and valuable lessons we have learnt from working with …
AWS Lambda – constant timeout when using bluebird Promise Read More »
UPDATE 07/09/2016 : read part 2 on how to elastically scale Lambda function based on no. of messages available in the queue. It’s been a year since the release of AWS Lambda service and here at Yubl we’re at the start of an exciting journey to move our stack to Lambda (using the awesome Serverless …
AWS Lambda – use recursive function to process SQS messages (Part 1) Read More »
Since I started working at Yubl less than 2 weeks ago, I have been doing a lot of work with Amazon API Gateway & Lambda with the help of the Serverless framework. So far that experience has been really great. One little caveat I ran into was that, it wasn’t clear on how to enable caching …
Serverless – enable caching on query string parameters in API Gateway Read More »
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