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Show Me Your Architecture Vol. 1: Scanning S3 buckets for malware

Through the AWS documentation, books like AWS in Action or AWS trainings you can gain theoretical knowledge. But beyond that, it is very valuable to learn directly from practice. In this series, we inspect real-life AWS architectures. We start with Andr...

Enhance EFS file system protection with TLS and IAM

Two significant aspects of data security are access restriction as well as confidentiality. In the following, you will learn two techniques to increase the security of data stored on an EFS file system (Amazon Elastic File System): enabling encryption o...

Step Functions pitfall: The execution reached the maximum number of history events (25000)

AWS Step Functions is an execution environment for finite state machines. Lately, I was running into the error “The execution reached the maximum number of history events (25000).” when listing all objects in an S3 bucket page by page. This blog post wi...

Monitor VPC NAT gateways with CloudWatch metrics and alarms

Many VPC designs make use of public and private subnets. A NAT gateway is needed to communicate from a private subnet with the Internet. A VPC NAT gateway is a finite resource that can be exhausted. That’s why you need to add monitoring to be alerted i...

CloudFormation cfn-init pitfall: Auto scaling and throttling error rate exceeded

cfn-init is a little helper to install and configure EC2 instances managed with CloudFormation. Lately, I was running into issues when starting a more significant amount of EC2 (let’s say 50) during an auto scaling event. This blog post will teach you w...

Selling an AMI and a CloudFormation template as an alternative to SaaS

We have been selling software through AWS Marketplace since 2019. Selling SaaS is very popular nowadays, and most software vendors are moving to this model. However, we learned that there is a promising alternative to SaaS: Selling software bundled into...

Fargate vs. App Runner

What’s the simplest way to run containers on AWS? My first relevant container workload was running on a fleet of EC2 instances managed by ECS. Maintaining and scaling the needed EC2 instances was wasting a lot of my time. So I got very excited when AWS ...

Authentication at the edge with Lambda@Edge and Cognito

For many years, we used a hosting partner for serving the Rapid Docker on AWS Video Course. When someone bought the video course, we created a user account with our partner. The hosting partner provided a website to watch the videos and a login form. Fo...

Builder's Diary Vol. 1: Successful Cloud Migrations

Get insights into the day-to-day challenges of builders. In this issue, Monika Oblonczek from our partner tecRacer talks about how cloud migrations succeed. Monika’s career is very exciting as she transitioned from legal linguistics into cloud computing...

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...