Andrea Wang – Medium

Pinned

Build CI/CD Multibranch Pipeline with Jenkins and Kubernetes

In this article, we will build multiple branch pipeline with Jenkins and Kubernetes step by step What’s Jenkins Jenkins is an open source continuous integration and delivery tool that enable developers automatically build, test and deploy application To know more about Jenkins https://www.jenkins.io/ What’s Multibranch Pipeline The Multibranch Pipeline enable developer to implement different Jenkinsfiles…

Jenkins

4 min read

Apr 22

How I Prepare to Pass AWS Solution Architect Associate (SAA-C02)

This is to share with you how I prepare to pass AWS Solution Architect associate exam, hope it helps if you are planning to take the exam! AWS Solution Architect Associate Exam is targeting for people who have been using AWS for 1+ year to design high availability, cost-effective, fault-tolerant…

AWS

4 min read

How I Prepare to Pass AWS Solution Architect Associate (SAA-C02)

Dec 8, 2020

Certified Kubernetes Administrator (CKA) Exam Experience Sharing and Question Examples

Certified Kubernetes Administrator (CKA) program is to provide the assurance to Kubernetes administrators/Service provider with qualified skills and knowledge. If company would like to become a Kubernetes Certified Service Provider (KCSP), It’s required to have at least three employee who pass the CKA exam. In addition, If you would like…

Kubernetes

3 min read

Published in Better Programming

·Nov 2, 2020

Build a Windows Container Service on a Kubernetes Cluster

A step-by-step guide to setting up a Windows container worker node and a sample app on AWS EKS — To support Windows application development with a container (e.g. NET, PowerShell, etc.), we should build the Windows worker node to support the application running on top of it. To be honest, I think the Windows container needs more time to mature before it can provide a lightweight design and base…

Programming

3 min read

Build a Windows Container Service on a Kubernetes Cluster

Published in Better Programming

·Aug 17, 2020

Secure Your Service on Kubernetes With Open Policy Agent

Enable Policy as Code for cloud-native environment and decouple admission control with your application — In this article, I will introduce the Open Policy Agent, Kubernetes Admission Controller, and how to apply a policy, with step-by-step guidelines. What Is Open Policy Agent (OPA)? The Open Policy Agent (OPA) is an open-source policy engine that decouples policy decision-making from service. It enables Policy as Code, which allows the policy to be automated…

Programming

5 min read

Secure Your Service on Kubernetes With Open Policy Agent

Published in Better Programming

·Jul 11, 2020

Build a Federation of Multiple Kubernetes Clusters With Kubefed V2

A step-by-step guide to building a Kubernetes federation for managing multiple regions’ clusters with KubeFed — What Is KubeFed? KubeFed (Kubernetes Cluster Federation) allows you to use a single Kubernetes cluster to coordinate multiple Kubernetes clusters. It can deploy multiple-cluster applications in different regions and design for disaster recovery. To learn more about KubeFed: https://github.com/kubernetes-sigs/kubefed

Programming

6 min read

Build a Federation of Multiple Kubernetes Clusters With Kubefed V2

Published in Better Programming

·Jun 9, 2020

Build Kubernetes Autoscaling for Cluster Nodes and Application Pods

Via the Cluster Autoscaler, Horizontal Pod Autoscaler, and Vertical Pod Autoscaler — Kubernetes supports autoscaling for scaling up your cluster of worker nodes and application pods when you need it. It can also scale it down to save money. There are three types of Kubernetes autoscaling. In this article, we will introduce them individually and explore each type step by step. Cluster…

Programming

3 min read

Build Kubernetes Autoscaling for Cluster Nodes and Application Pods

May 7, 2020

Serverless | Build a Serverless Simple Flask Application with Kubeless on top of Kubernetes

In this article we will go through kubeless installation on kubernetes, then using the flask to build one simple serverless web application What’s the Flask Flask is a Python lightweight web application development framework with simplicity and extensibility. …

Serverless

4 min read

Apr 26, 2020

Expose Kubernetes Service with External DNS and Route53

There are 3 ways you can expose your service on kubernetes for external accessing 1. LoadBalancer 2. NodePort the service address would be your worker node with node port assigned <NodeIP>:<NodePort> 3. Ingress (Note. there is a pre-requisite for AWS ALB Ingress Controller https://docs.aws.amazon.com/eks/latest/userguide/alb-ingress.html) We can use External DNS to…

Kubernetes

3 min read

Feb 5, 2020

How I Pass Certified Kubernetes Application Developer (CKAD) Exam

The Certified Kubernetes Application Developer (CKAD) program has been developed by the Cloud Native Computing Foundation (CNCF), in collaboration with The Linux Foundation, to help expand the Kubernetes ecosystem through standardized training and certification Preparation CKAD exam required the hands-on, so you should not only understand the concept but also practice…

Kubernetes

2 min read