Hi, welcome to another weekly update. New posts You are wrong about serverless vendor lock-in. In this guest post for Lumigo, I challenge the debate on serverless and vendor lock-in. First of all, technology choices create coupling and moving cost but you’re never truly locked in as the option is always there to rewrite the …
Over the last few weeks I have been working with a very ambitious client – Solve, who is building a new murder mystery game. They are doing some really cool things technically, and are building an entirely serverless stack. While working with Solve I have spent a lot of time with AWS SAM. That experience …
AWS SAM + Cloudformation macros, a patch made in heaven Read More »
Over the past year, the Serverless Application Repository (SAR) service has improved a lot. I have grown to enjoy it more and more, and have contributed a few applications myself: lambda-janitor: cron job to delete old, unused versions of all Lambda functions in the region to free up storage space. auto-subscribe-log-group-to-arn: subscribes new and existing …
How to include Serverless Repository apps in serverless.yml Read More »
CloudFormation supports a number of intrinsic functions and Fn::Join (or !Join) is often used to construct parameterised names and paths. The Serverless framework, for instance, uses it extensively. A quick look in a CloudFormation it generates I can see Fn::Join used for: IAM policy names IAM role names IAM principals API Gateway URIs Resource ARNs and …
CloudFormation protip: use !Sub instead of !Join Read More »
Hi, welcome to another weekly update. We welcome Thundra back as our sponsor for May! It is my pleasure to welcome Thundra back as the sponsor for this month. Here’s a message from Thundra, who is also giving away copies of my video course Production-Ready Serverless! Serverless architectures are usually implemented on event-driven distributed functions. Monitoring …
A while back I wrote about using DynamoDB TTL to implement ad-hoc scheduling. It generated some healthy debate and a few of you have mentioned alternatives including using Step Functions. So let’s take a look at some of these alternatives, starting with the simplest – using a cron job. We will assess this approach using the …
Using CloudWatch and Lambda to implement ad-hoc scheduling Read More »
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 …
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