My notes on Kubernetes services and load balancing solutions for cloud and bare metal infrastructure.

As soon as I deployed my first application on my pi k3s cluster, my deployment got stuck in an immediate crash/back-off loop. This turned out to be because the docker images were originally built and tested on amd64 architecture, but I had just deployed them to arm64!

Jeff Geerling has lots of great resources on both Ansible and Kuberenetes. Here are some Ansible notes, I got mostly from watching his videos.

Rails has a neat template feature that lets you customise newly created rails apps. There is also the thoughbot suspenders gem that gives a very opinionated set of configuration options for new rails projects.

However, I want my own (much smaller) set of opinionated options

Sometimes, Proxmox becomes unable to shutdown a VM. This is far more common if your OS doesn’t have the Qemu agent installed. To fix this:

Writing, debugging and maintaining safe multi-threaded code is notoriously difficult. Luckily, many useful gems and standard approaches have been created so that you don’t have to do all the heavy lifting yourself.

Ruby 3.0 is scheduled for release Christman 2020. The information below is subject to change.