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 »
CloudWatch Events let you easily create cron jobs with Lambda. However, it’s not designed for running lots of ad-hoc tasks, each to be executed once, at a specific time. The default limit on CloudWatch Events is a lowly 100 rules per region per account. It’s a soft limit, so it’s possible to request a limit …
Hi, welcome to another weekly update. Production-Ready Serverless is live! It’s been a long time coming, my Manning video course Production-Ready Serverless is officially completed! All postscripts and other course materials have been added to the course. Manning is also running a special promotion for March so that ALL video courses are $25 each, what …
Hi, welcome to another weekly update. New posts AWS Lambda and Secret Management. In this post I gave a lowdown on SSM Parameter Store, AWS Secrets Manager and HashiCorp Vault. We discussed when, why and how to choose between them and several approaches to loading secrets into your functions. Podcasts Real World DevOps. I spoke …
Hi, welcome to another weekly update. Welcome Thundra as our sponsor for Feburary! It is my pleasure to welcome Thundra as sponsor for this month. Here’s a message from Thundra to explain what they’re building and their vision for Serverless observability. A serverless application eliminates operational burdens and you only pay for what you use …
I recently watched an excellent talk by Matt Lavin on optimization tips for Lambda and saw a slide on making DynamoDB use HTTP keep-alive. It reminded me of a conversation I had with Sebastian Cohnen, so I set out to test the effect this simple optimization has. What is it all about? As it turns …
Lambda optimization tip – enable HTTP keep-alive Read More »
Hi, welcome to another weekly update. New posts You are thinking about serverless costs all wrong. This is my response to the click-bait article published in The Register that clearly illustrated widespread misunderstanding when it comes to understanding the financial benefits of serverless. Many have discussed the cost savings serverless can give you in terms …
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