Ok, ok, AWS hasn’t announced a whole new class of intrinsic functions for you to use in CloudFormation. But if you’re using the Serverless framework then I have a treat for you :-) I created a plugin for the Serverless framework that lets you use a number of custom Fn:: functions in your serverless.yml. The …
Introducing… CloudFormation extrinsic functions ;-) Read More »
It’s been a while coming, but I’m excited to announce that my new course – Complete guide to AWS Step Functions – is now live! You can browse the curriculum and purchase the course here. The first two chapters are free to everyone. The course is approximately 2 hours in length and covers everything you need …
Hi, welcome to another weekly update! New posts Observability without breaking the bank. In this post, I took a look at Thundra’s new sampling feature and how they can help prevent observability costs from spiralling out of control. Besides the rudimentary sampling methods such as by count and time interval, they also support more intelligent …
Hi, welcome to another weekly update! Welcome Binaris as our sponsor for April! It is my pleasure to welcome Binaris back as the sponsor for this month. Here’s a message from Binaris. In Binaris we deeply believe in the power of serverless and the power of functions. We envision a future where applications are built …
With serverless, you delegate the responsibility of running your infrastructure to a platform provider as much as possible. This frees your engineers to focus on building what your customers want from you—the features that differentiate your business from your competitors’. For this philosophy to work, however, the platform needs to not only give you the …
If you’re not familiar with how cold start works within the context of AWS Lambda, then read this post first. update 24/03/2019: the tests include WebPack as well. When a Node.js Lambda function cold starts, a number of things happen: the Lambda service has to find a server with enough capacity to host the new …
Hi, welcome to another weekly update, I have quite a few new posts for you this week! New posts Making Terraform and Serverless framework work together. In this post I discussed some ways you can reference Terraform-managed resources from the Serverless framework. This is a common challenge presented to teams that are using both Terraform …
The Serverless Framework [1] is still the most popular deployment framework for serverless applications. It gives you a convenient abstraction over CloudFormation and some best practices out of the box: Filters out dev dependencies for Node.js function. Update deployment packages to S3, which lets you work around the default 50MB limit on deployment packages. Enforces …
Making Terraform and Serverless framework work together Read More »
Hi, welcome to another weekly update. Designing serverless applications with AWS Lambda I’m running a live online training session with O’Reilly on April 15th and 16th. The session would provide some hands-on exercise for getting started with AWS Lambda and the Serverless framework, and provide you with the tools you need to design serverless applications …
Update 15/03/2019: Thanks to Zac Charles who pointed me to this new page in the DynamoDB docs. It explains how the OnDemand capacity mode works. Turns out you DON’T need to pre-warm a table. You just need to create the table with the desired peak throughput (Provisioned), and then change it to OnDemand. After you change the table to OnDemand …
Understanding the scaling behaviour of DynamoDB OnDemand tables Read More »
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