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Argo CD Deployment Guide

Overview

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This guide will help you deploy Argo CD on your Kubernetes cluster and use it to manage your applications.

Prerequisites

  • A running Kubernetes cluster
  • kubectl command-line tool installed and configured to interact with your cluster
  • helm command-line tool installed (optional, but recommended for easier installation)

Installing Argo CD

Using kubectl

  1. Create the Argo CD namespace:

    kubectl create namespace argocd

  2. Install Argo CD components:

    kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

Accessing the Argo CD API Server

Port Forwarding

To access the Argo CD API server, use port forwarding:

kubectl port-forward svc/argocd-server -n argocd 8080:443

Open your browser and navigate to https://localhost:8080.

Logging into Argo CD

Get the Initial Admin Password

The initial password for the admin account is auto-generated and stored in a Kubernetes secret. To retrieve it, run:

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

Login via CLI

You can log in to Argo CD using the argocd CLI:

  1. Install the Argo CD CLI: Download the appropriate version of the Argo CD CLI from the releases page.

  2. Login to Argo CD:

    argocd login localhost:8080

    When prompted, use admin as the username and the password retrieved earlier.

Login via Web UI

  1. Open the Web UI: Navigate to https://localhost:8080 in your browser.

  2. Login: Use admin as the username and the password retrieved earlier.

Deploying Applications with Argo CD

kubectl apply -f argocd/application.yaml
  1. Open the Web UI: Navigate to https://localhost:8080 in your browser and check the status of application.

Additional Resources