aws
DevOps on AWS Radio
Paul Duvall (CTO at stelligent) interviewed Andreas and me for the DevOps on AWS Radio. We talked about: Our book Amazon Web Services in Action and what changed in the second edition Our top 3 recommendations for enterprises on what to do to be most s...
GitHub process automation: A bot to build pull requests authorized by core maintainers
We are maintaining multiple Open Source projects where we focus on CloudFormation templates. To ensure that the templates are of high quality, we leverage automated testing and pull requests. We could use the CodeBuild GitHub integration to execute yaml...
Encrypting sensitive data stored on S3
S3 comes with a bunch of features to encrypt your data at rest. Data at rest means inactive data stored physically on disk. Before we dive into encrypting data at rest, I want to highlight that there is also data in use and data in transit. If the data...
Restricting Access to EC2 Instances Based on Tags
The principle of least privilege is key when it comes to securing your infrastructure on AWS. For example, an engineer should only be able to control EC2 instances that are in scope for her day-to-day work. But how do you make sure an engineer is only a...
Analyzing CloudTrail with Athena
Which IAM users have been active within your AWS account within the last 30 days? Are all of the 999 IAM roles still in use, or can you remove some of them to clean up your infrastructure? Is it safe to remove the action s3:GetObject from the IAM policy...
Dead man's switch with CloudWatch
While writing this article, I’m traveling from Frankfurt to Stuttgart by high-speed train (ICE) with a top speed of 280 km/h. It is reassuring to know that a dead man’s switch stops the train immediately if the train driver becomes incapacitated, such a...
Easy-going AWS CloudFormation: cfn-modules
Today, we release a new open source project to make your CloudFormation live easier. We promise easy-going CloudFormation with cfn-modules. Our modules provide common building blocks to automate your infrastructure with plain CloudFormation templates. ...
Rich Social Sharing with single page applications hosted on S3 and delivered via CloudFront
You undoubtedly heard about single page applications (SPA) written with frameworks like Angular or React. One of the benefits of this approach is the possibility to host the static files (HTML, js, CSS, etc.) on a simple storage solution like S3 and put...
EKS vs. ECS: orchestrating containers on AWS
AWS announced Kubernetes-as-a-Service at re:Invent in November 2017: Elastic Container Service for Kubernetes (EKS). Since yesterday, EKS is generally available. I discussed ECS vs. Kubernetes before EKS was a thing. Therefore, I’d like to take a second...
Cleaning up an S3 bucket with the help of Athena
Imagine your basement or attic would provide unlimited capacity for storing stuff. Sounds great? Maybe at first. But imagine how many stuff would pile up over the years if you were not forced to clean up your stuff because of limited storage space every...
