Writing about software engineering, architecture, cloud and AWS.

How to calculate availability

Many times I have had discussions about the actual availability of a system. And found out that not everyone has the same understanding of availability and how it is calculated....

September 6, 2022

CloudFormation Custom Resource: Transit Gateway Peering Accepter

A Transit Gateway Peering Attachment must be accepted by the owner of the attachment. Even if both Transit Gateways are in the same account. To automate this with CloudFormation I have created a custom resource....

July 11, 2022

Golang WebAssembly

About WebAssembly WebAssembly (WASM) is a portable binary instruction format which runs in the browser or on a server. It is designed with performance and security in mind. WebAssembly can be compiled from other programming languages like C/C++, C#, Rust, Go and many more....

April 22, 2022

Best practices for S3 web hosting and explaining why

There are a lot of very good resources explaining how to set up a S3 website. But not explaining why you should choose one option over the other. In this article I will not explain step by step how to set up a S3 website....

February 3, 2022

S3 website: Why your domain and bucket name must be identical

When setting up S3 website hosting you can use a Route53 alias for connecting the domain to the website bucket. This approach forces you to set identical names for the S3 bucket and domain name....

January 31, 2022