Kubernetes CICD Tutorial

This repo contains all the code needed to follow along with our YouTube Tutorial or Written Article.

Prerequisites

To follow along with this tutorial, you'll need:

• kubectl installed and configured (https://youtu.be/IBkU4dghY0Y)
• Helm installed: (https://kubernetestraining.io/blog/installing-helm-on-mac-and-windows)
• A GitHub account: (https://github.com/)

Install ArgoCD

helm repo add argo https://argoproj.github.io/argo-helm
helm repo update
kubectl create namespace argocd
helm install argocd argo/argo-cd --namespace argocd

Access ArgoCD UI

kubectl port-forward svc/argocd-server -n argocd 8080:80

Retrieve Credentials

kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d

ArgoCD Application

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: grade-submission-api
  namespace: argocd
spec:
  project: default
  source:
    repoURL: https://github.com/YOUR_USERNAME/grade-api-gitops.git
    targetRevision: HEAD
    path: .
  destination:
    server: https://kubernetes.default.svc
    namespace: default
  syncPolicy:
    automated:
      prune: true
      selfHeal: true

Creating Image Pull Secrets

To allow Kubernetes to pull images from GitHub Container Registry:

kubectl create secret docker-registry ghcr-secret \\
  --docker-server=ghcr.io \\
  --docker-username=YOUR_USERNAME \\
  --docker-password=YOUR_PAT \\
  --namespace=default

Kubernetes Training

If you found this guide helpful, check out our Kubernetes Training course