Cloudonaut Teaser

Welcome to cloudonaut

Your launchpad for Amazon Web Services

High-quality & independent AWS content since 2015. By Andreas & Michael Wittig. We published 350 articles, 45 podcast episodes, and 38 videos. It's all free. We enjoy sharing our AWS knowledge with you.

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Welcome to cloudonaut

Your launchpad for Amazon Web Services

High-quality & independent AWS content since 2015. By Andreas & Michael Wittig. We enjoy sharing our AWS knowledge with you.

Start reading
Cloudonaut Teaser

ALB vs. NLB: Which AWS load balancer fits your needs?

Which load balancer fits my workload best? As is often the case, AWS offers more than one solution. Read on to learn whether to use the Application Load Balancer (ALB) or the Network Load Balancer (NLB) to distribute incoming requests among a fleet of v...

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Review: App Runner - Simply containers on AWS!

How many options are there for deploying containers on AWS? ECS, EKS, Elastic Beanstalk, EC2, and Fargate, to name a few. And there’s another service I’d like to take a closer look at in this review: AWS App Runner. And I promise you already; it’s worth...

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Building multi-architecture container images for AWS Graviton

What do my MacBook Pro and my container workload running on ECS and Fargate have in common? They both run amazingly well on the ARM processor architecture. However, building Docker images for Apple Silicon and AWS Graviton is challenging. Because a cont...

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Deprecated Terraform provider template causes `Incompatible provider version` error

Did you recently switch to a Mac with Apple Silicon (ARM processor architecture)? The chances are high that you will see an Error: Incompatible provider version when running terraform init the next time. That’s because Hashicorp does not provide the tem...

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Security Iceberg: AWS Security Hub the right way

This is a warning about AWS Security Hub. Organizations that use AWS Security Hub to monitor and mitigate risks pay too much attention to the visible part of the AWS security iceberg, namely the findings. These organizations tend to overlook or underest...

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Automate CloudFormation StackSets with CloudFormation

CloudFormation StackSets rollout CloudFormation stacks to all or some of your AWS accounts. Also, stack sets allow you to deploy stacks to multiple regions. Therefore, CloudFormation stack sets are a great way to deploy baseline configurations to multip...

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Review: Aurora Serverless v2

I was excited when AWS announced Aurora Serverless at re:Invent 2017. Disappointment followed shortly after. Even after Aurora Serverless became a generally available service in August 2018, it missed important features like multi-AZ deployments and rea...

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Updated CloudFormation vs Terraform 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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Updated Amazon ECR vs. Docker Hub vs. GitHub Container Registry

Have you worked with a Linux package manager like apt or yum before? A container registry is similar, but instead of packages, it distributes container images. A container registry is a crucial aspect of a containerized workflow and infrastructure. This...

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Updated Managing application secrets: SSM Parameter Store vs. Secrets Manager

Many applications interact with external or internal systems like databases or REST APIs. When your application talks to another system, it usually authenticates with a secret, e.g., an API key, username + password, or a certificate. This leads to the q...

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Cover of Rapid Docker on AWS

Become a Docker on AWS professional!

Our book Rapid Docker on AWS is designed for DevOps engineers and web developers who want to run dockerized web applications on AWS. We lead you with many examples: From dockerizing your application to Continuous Deployment and Infrastructure as Code on AWS. No prior knowledge of Docker and AWS is required. Get the first chapter for free!

Building multi-architecture container images for AWS Graviton

Unboxing AWS Backup for Amazon S3

#44 AWS Security: Stephen Kuenzli and Andreas Wittig on IAM

Connect to your EC2 instance using SSH the modern way

Andreas and Michael Wittig

Please support our work!

We have published 350 articles, 45 podcast episodes, and 38 videos. It's all free and means a lot of work in our spare time.

Thanks to Alan Leech, Alex DeBrie, ANTHONY RAITI, Christopher Hipwell, Jaap-Jan Frans, Jason Yorty, Jeff Finley, Jens Gehring, jhoadley, Johannes Grumböck, John Culkin, Jonas Mellquist, Juraj Martinka, Kamil Oboril, Ken Snyder, Ross Mohan, Ross Mohan, sam onaga, Satyendra Sharma, Shawn Tolidano, Thorsten Hoeger, Todd Valentine, Victor Grenu, and all anonymous supporters for your help! We also want to thank all supporters who purchased a cloudonaut t-shirt.

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#46 Review: Aurora Serverless v2

I was excited when AWS announced Aurora Serverless at re:Invent 2017. Disappointment followed shortly after. Even after Aurora Serverless became a generally available service in August 2018, it was missing important features like multi-AZ deployments an...

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#45 The AWS Cookbook

Andreas invited John Culkin and Mike Zazon to talk about their latest book: the AWS Cookbook which includes 70 self-contained recipes to help you creatively solve common AWS challenges you'll encounter on your cloud journey. This show includes the foll...

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#44 AWS Security: Stephen Kuenzli and Andreas Wittig on IAM

Stephen Kuenzli and I lead several cloud migration projects. In this conversation, we shared our learnings focusing on AWS security and IAM (Identity and Access Management). The result is advice and inspiration that will help you in your daily work. Our...

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#43 AWS Architect Mindset

Architecting applications on AWS is challenging. On the one hand, you need a broad understanding of AWS services. On the other hand, you have to know the details as well. In this episode, Michael outlines the mindset you need to build on AWS successfully.

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Cover of Amazon Web Services in Action

Level up, strengthen your AWS skills.

Our book Amazon Web Services in Action is a comprehensive introduction to computing, storing, and networking in the AWS cloud. You'll find clear, relevant coverage of all the essential AWS services, emphasizing best practices for security, high availability, and scalability. Get the first chapter for free!

Review: AWS Fault Injection Simulator (FIS) – Chaos as a Service?

AWS allows us to run applications distributed across EC2 instances and availability zones. By adding load balancers or message queues to the architecture, we can achieve fault tolerance or high availability. But how can we test that our system can survi...

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Cheap, Durable, Fast. How to choose an EBS volume type?

Elastic Block Storage (EBS) provides solid state drives (SSD) and hard disk drives (HDD) for EC2 instances. The virtual machine accesses the persistent storage via the network. In December 2020, AWS announced another volume type called General Purpose S...

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How to Become an AWS Certified Solutions Architect

In 2012, I created my first AWS account. Back then, I worked as a software engineer and was looking for a way to deploy an online trading platform. Two years later, I attended re:Invent — the yearly conference organized by AWS — in Las Vegas for the fir...

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What's the CO² footprint of your architecture?

Fighting climate change is one of the biggest challenges of our days. When designing an architecture, there are many important factors to consider: security, reliability, performance and costs. I’d like to add another factor to that list: the CO² footpr...

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3½ ways to workaround missing CloudFormation support

Are you following the Infrastructure as Code approach using CloudFormation? If so, I bet you encountered a situation where CloudFormation misses support for a service’s latest features. I run into those issues weekly! So what can we do about it? Do yo...

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Unusual AWS Architectures

AWS provides many building blocks. As architects, we have to choose the right building blocks to construct our systems. But sometimes, the proper building block is not available, and we have to make compromises. In this blog post, I show four unusual AW...

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Andreas Wittig and Michael Wittig

Hej, Andreas & Michael here!

We launched the cloudonaut blog in 2015. Since then, we have published 350 articles, 45 podcast episodes, and 38 videos. It's all free and means a lot of work in our spare time. We enjoy sharing our AWS knowledge with you.

Thanks to Alan Leech, Alex DeBrie, ANTHONY RAITI, Christopher Hipwell, Jaap-Jan Frans, Jason Yorty, Jeff Finley, Jens Gehring, jhoadley, Johannes Grumböck, John Culkin, Jonas Mellquist, Juraj Martinka, Kamil Oboril, Ken Snyder, Ross Mohan, Ross Mohan, sam onaga, Satyendra Sharma, Shawn Tolidano, Thorsten Hoeger, Todd Valentine, Victor Grenu, and all anonymous supporters for your help! We also want to thank all supporters who purchased a cloudonaut t-shirt. It gives us great pleasure to send our t-shirts all over the world.

With your help, we can continue to produce independent & high-quality content focused on AWS. Please support us!

Support us