Hi.

Nice to meet you! My name is Fabian Keller and I am a software engineer.

I love to craft digital experiences that run and thrive in the cloud. I share and teach what I have learned and am learning along the way.

cloud platforms // architecture // design systems // devops

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Latest Blog Posts
August 01, 2019 5 mins read

Relaunching my Website with an Agile Process

Previously, I ran my website with a PHP-based CMS on a shared host and since quite some time I wanted to port it to a static site generator and serve it off of AWS S3. Finally, I found the time to do it. This post summarizes what and why I did my website as it is now, and what process and tools I used to achieve it. Setting the Goal With my old website running on Kirby CMS for years I had to maintain a shared host that runs it, and have Cloudflare setup to have improved loading times.

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May 23, 2019 3 mins read

Configuring a Different SSH Key per Git Repository

SSH keys are a very convenient and secure way to authenticate with Git servers such as GitHub. I used to use a single SSH key for the few private repositories I had, but in the meantime I have accumulated quite a number of SSH keys. Having different SSH keys for different purposes (e.g. personal keys and keys used for client work) makes it simpler for me to organize and rotate keys.

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March 28, 2019 7 mins read

Migrating a GitLab Omnibus Deployment to Docker

Containerization simplifies IT operations and nearly all standard software can be deployed in a container environment. Until today, I have operated GitLab as an omnibus installation. While Omnibus already greatly simplifies the deployment experience, there still needs to be done and configured a lot to run GitLab. Before GitLab supported Let’s Encrypt that even meant taking care of certificate renewal and making sure certificate configurations don’t break during upgrades.

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