GitOps with Kubernetes,GitHub, DockerHub and ArgoCD

GitOps Architecture of this article In this post, I will explain how to create GitOps platform with ArgoCD, GitHub and DockerHub step by step. There are so many kinds of source code repositories and container registries, but I chose GitHub and DockerHub. Because they are de-facto tools and they has free plan, so everyone can… Continue reading GitOps with Kubernetes,GitHub, DockerHub and ArgoCD

Manage ArgoCD by ArgoCD declaratively

Declarative vs Imperative In my previous post, I explained how to install ArgoCD via Helm. Now, let's discuss how to operate it. How can we update ArgoCD? How do we change its configuration? Updating ArgoCD can be done through the helm upgrade command, which follows an imperative approach. However, if you're a DevOps engineer or… Continue reading Manage ArgoCD by ArgoCD declaratively

Access k8s-api-server via curl

I will explain how to access k8s-api-server via curl. Through this hands-on exercise, you will gain an understanding of authenticating with k8s-api-server using client certificates and keys. Additionally, by communicating with k8s-api-server via curl, you will become more familiar with its usage. ⎈ PreparationGenerate private key and certificate from kubeconfigGenerate client private keyGenerate client certificateCheck… Continue reading Access k8s-api-server via curl

Kubernetes on Apple Silicon Mac with kubeadm and multipass

I will explain how to install Kubernetes on an Apple Silicon Mac using kubeadm and Multipass. In this blog, we will create a Kubernetes cluster with one master node and one worker node. Note: For production environments, it is recommended to have three master nodes and multiple worker nodes for redundancy. Why Multipass? When I… Continue reading Kubernetes on Apple Silicon Mac with kubeadm and multipass