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The Cloud Switch: IoT Button, Lambda, and CloudFormation

Last one out turns off the light. What works for boring light bulbs can be adopted to your cloud infrastructure as well. Are you using a development and testing environment that is only used during working hours? Why not turning off the cloud infrastruc...

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CloudFormation vs Terraform in 2022

The most reliable way to automate creating, updating, and deleting your cloud resources is to describe the target state of your infrastructure and use a tool to apply it to the current state of your infrastructure (see Understanding Infrastructure as Co...

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CloudWatch is neglected: Why is the control room empty?

CloudWatch is the most undervalued service on AWS. It’s like an empty control room. All data is there, but no one is looking at it. Together with IAM and VPC, CloudWatch provides the basis for modern infrastructure. CloudWatch combines an extensive set...

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Maintaining an Open Source library of production-ready CloudFormation templates

CloudFormation is the standard to provision AWS resources. But developing a template is a lot of work. Let’s speed up development and maintenance by working together on high-quality templates: reviewed by experts secure highly available scalable easy t...

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Move to the Next Level of Load Balancing on AWS

Are you still using the Classic Load Balancer - formerly known as Elastic Load Balancer - for distributing incoming requests among a fleet of EC2 Instances? AWS announced the Application Load Balancer, as a new alternative to the Classic Load Balancer i...

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Lessons learned: Serverless Chatbot architecture for marbot

marbot forwards alerts from AWS to your DevOps team via Slack. marbot was one of the winners of the AWS Serverless Chatbot Competition in 2016. Today I want to show you how marbot works and what we learned so far. Let’s start with the architecture diagr...

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ECS vs. Kubernetes: same same but different

EC2 Container Service (ECS) and Kubernetes (K8s) are solving the same problem: managing containers across a cluster of hosts. The battle between ECS and Kubernetes reminds me of the editor war between vi and Emacs: heated discussions focusing on technic...

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Amazon Elasticsearch Service revised

AWS first! is one of our consulting principles. Using a managed service provided by AWS is usually offering the most bang for the buck. But there are pitfalls and downsides hidden behind shiny marketing promises of these managed services as well. Amazon...

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AWS Security Primer

I was preparing some AWS Security related training. Soon, I realized that this topic is too huge to fit into my brain. So I structured my thoughts in a mind map1. Within a couple of minutes2 I came up with this: What is your first reaction? Mine was pr...

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AWS Velocity Series: Summary

Do you want to be faster by using AWS? I see many AWS customers struggling with high expectations and some even slow down. That’s why I wrote the AWS Velocity Series. Let me sum up what matters most when optimizing for speed. 1. Select your runtime envi...

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