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Stephen Cow Chau
Stephen Cow Chau

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Jul 24

Web Audio API and computer audio learnings

Intention of Article This would serve as a note to my future self on all learnings on computer audio and web audio API. I would try update the article if I got any new learnings. I would try to make it a Q and A so relevant questions I asked myself would be…

Web Audio Api

6 min read

Web Audio API and computer audio learnings
Web Audio API and computer audio learnings

Jul 1

Using ES module in Chrome browser extension content script

Note: This is intended to be a short note for my future self or to whoever found useful, I wish I would have time to organize it in future. Background I am trying to include an UI library from others into browser extension’s content script (which would run on the target…

Java Script

2 min read

Using ES module in Chrome browser extension content script
Using ES module in Chrome browser extension content script

Published in FAUN Publication

·May 4

Finally, (successfully…) setup docker registry inside kind Kubernetes cluster

Background Following the previous articles, I was trying to setup docker registry inside my Kubernetes cluster so that I can push things into that registry and the cluster would be able to pull image from that registry. I could not find anything about that back then online, otherwise I would have…

Kubernetes

7 min read

Finally, (successfully…) setup docker registry inside kind Kubernetes cluster
Finally, (successfully…) setup docker registry inside kind Kubernetes cluster

Apr 23

kind local Kubernetes cluster with freenom domain and Let’s Encrypt TLS wildcard certificate

Background This is some progress for part of a side/pet project over months that I failed to achieved before with Docker Desktop on WSL The objective was to create a local Kubernetes cluster for testing out some CI/CD as close as possible to a production system (not on infrastructure and networking…

Freenom

8 min read

kind local Kubernetes cluster with freenom domain and Let’s Encrypt TLS wildcard certificate
kind local Kubernetes cluster with freenom domain and Let’s Encrypt TLS wildcard certificate

Mar 12

You are not alone — the frustrating (failure) journey setting up private docker registry with self sign cert with WSL2 Docker desktop’s Kubernetes

Background This is an incomplete journey (hopefully I would land at destination) on setting up a private docker registry inside Kubernetes of Docker Desktop in WSL2… The reason I want to summarize it is partially hoping someone have experience could help, plus share my experience such that people trying to do…

Docker

9 min read

You are not alone — the frustrating (failure) journey setting up private docker registry with self…
You are not alone — the frustrating (failure) journey setting up private docker registry with self…

Mar 9

Note about Traefik static and dynamic configuration on Kubenetes using Helm chart, ConfigMap and CRD

Background After quite a while on configuring Traefik as ingress controller in Kubernetes, I feel there are need to share some ideas regarding some confusions I have been through on different configurations and my current operation approach on how those being configured. This article aimed to describe: Static and Dynamic configuration …

Traefik

4 min read

Note about Traefik static and dynamic configuration on Kubenetes using Helm chart, ConfigMap and…
Note about Traefik static and dynamic configuration on Kubenetes using Helm chart, ConfigMap and…

Feb 20

Cert-manager additional certificate output formats config through helm

This is just a quick note on how to do the configuration. According to the reference of this feature, one need to enable the feature with feature gates on both controller and webhook. The first trial I did is doing this: helm install cert-manager jetstack/cert-manager --namespace cert-manager --version v1.7.1 --create-namespace…

Cert Manager

2 min read

Cert-manager additional certificate output formats config through helm
Cert-manager additional certificate output formats config through helm

Feb 3

Script (snippet) to automate build image from git and deploy to Kubernetes

Background When my company start using Kubernetes, I start working on all image building and deployment activities, mainly with command line tools from docker as well as kubectl. When teams size go up, it start getting more effort needed to be the single deployment person. So some kind of automation is…

Kubernetes

5 min read

Script (snippet) to automate build image from git and deploy to Kubernetes
Script (snippet) to automate build image from git and deploy to Kubernetes

Jan 30

Using multiple domains and TLS certs on Traefik on Kubernetes

This is a quick articles on what it work for me to register multiple domains and their corresponding TLS certs. The Scenario I need to have my website behind Traefik to allow HTTPS access by using both https://domainA.com/ and https://domainB.com and I got TLS certificates for domainA.com and domainB.com respectively (paid already). The way / solution that work for me Deployment of certificates with secrets

Traefik

3 min read

Using multiple domains and TLS certs on Traefik on Kubernetes
Using multiple domains and TLS certs on Traefik on Kubernetes

Jan 2

Troubleshooting Traefik routing and Jaeger for observability

Background As a continuation of last article for configuring Traefik, there have been quite some moment that the routing does not work as expected, so it would worth some discussion and sharing on how I tried to troubleshoot. Items I tried Traefik access log Access log to me is important to know what kind of access it…

Traefik

4 min read

Troubleshooting Traefik routing and Jaeger for observability
Troubleshooting Traefik routing and Jaeger for observability
Stephen Cow Chau

Stephen Cow Chau

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