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November 23, 2024
Difference Between Kubernetes yaml and Helm Chart
A helm chart is an abstraction that allows you to group multiple k8s configuration files into one package and deploy them together, as a template, and with variable substitution. Helm is also a...
ReadNovember 23, 2024
Kubernetes Helm Releases
When releasing with helm, the release name typically stays the same when you then upgrade a Helm chart. The release name represents the deployment's unique identifier in the Kubernetes cluster....
ReadNovember 23, 2024
Install a Kubernetes Ingress
(using kind)
This setup maps ports 80 and 443 from localhost to the ingress. It's like having to map ports in virtual box, back when that was a thing.
Apply the official nginx...
November 23, 2024
View Your Current a Kubernetes `kubectl` Cluster Context on the CLI
When I first started using git many years ago, you would be working pretty blind on the command line (and I don't know of any GUI tools at the beginning). So, to make sure you didn't...
November 23, 2024
VSCode keybindings.json file
My keybindings.json file, mostly for backup purposes:
Note: on a Mac, these are in ~/Library/Application Support/Code/User/keybindings.json
November 14, 2024
Kubernetes `Rollout`
In k8s, you don't "deploy", you "rollout". But, you don't "rollout" either. You either apply a deployment (or do it through helm, preferably), or kubectl create deployment <name>....
November 13, 2024
Kubernetes Scaling
CA - Cluster Autoscaling. VPA - Vertical Pod Autoscaling. HPA - Horizontal Pod Autoscaling. To me, using VPA/HPA alone can’t be much cost savings. At best, it can rearrange the resources you are...
ReadNovember 13, 2024
Kubernetes Cluster Management
This reflects how I currently understand this, and may be incorrect: kops: create k8s clusters that you manage yourself, on whatever provider (AWS, Azure, etc) eksctl: create k8s clusters managed...
ReadNovember 13, 2024
Kubernetes Helm Basics
Helm is a package manager and templater. It stores whatever info it has about the configuration in the "Secrets" of the cluster, so it know what the current configuration is. For example, if you...
ReadNovember 6, 2024
How to Find What Resource to List for `kind:`
When creating an application in kubernetes, there are a lot of values for the kind: field. This is how to find those, and explain them so you know what values should be there.
Example:...