Sound of Silence - Lift your heavy Workloads to AWS Batch with Docker

Statistical Computing on Your Local Workstation Recently, a costumer told me about his problems to fullfil stastistical computing workloads on his local workstations. At first, you need to know that statistcal computing language like R and Python by default only use one core of your multi core machine. To parallize them, you have a lot of opportunities with regard to CPU-usage, IOPS etc.. Second, even if you parallize your workloads, you got an annoying loud machine in your office.

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R can not be pushed in Production - deprecated!

Running Shiny on Fargate Some guys still thinking R cannot be used at scale or only in a limited way. I still do not understand the reason why people are like this. Since my last post about AWS Batch, which is a Docker-based service within AWS, which enab

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DevContainers on Windows without Docker for Desktop

A while ago, Docker changed licensing terms for their Docker Desktop product. As a result, many companies cannot use Docker for free anymore, which impacts using VSCode DevContainers. In this blog, I will show you how to solve these licensing issues by us

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Speed up Docker Image Building with the CDK

When building docker images with the CDK you might notice increasing build times on subsequent invocations of cdk synth. Depending on your setup, there might be a simple solution to that problem - using a .dockerignore file. In this post I’m going t

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Assigning EKS Namespaces to Node Groups

In AWS EKS clusters, there are a couple of use cases for which all pods of a namespace should be automatically scheduled to specific nodes in Kubernetes, including: Clear allocation of data plane infrastructure (and costs) to teams in large organizations

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Building a Fargate-based container app with Cognito Authentication

In this post I’m going to show you how to use Cognito User Authentication in combination with a Docker app running in Fargate behind an Application Load Balancer and we’re going to build all this with the Cloud Development Kit (CDK). Why would

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