# argo-cd | Argo Project | Knowledge Base | Instagit

Declarative Continuous Deployment for Kubernetes

GitHub Stars: 23.5k

Repository: https://github.com/argoproj/argo-cd

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## Articles

### [Argo CD Community Resources: Where to Connect, Contribute, and Get Support](/argoproj/argo-cd/argo-cd-community-resources)

Join the Argo CD community for monthly meetings, Slack, GitHub, and design discussions. Get support, contribute, and shape the future of Argo CD. Connect with users and developers today.

- Tags: community-resources
- Published: 2026-07-15

### [Argo CD vs Flux CD: Architectural Comparison and Kubernetes Delivery Guide](/argoproj/argo-cd/argo-cd-vs-flux-cd)

Compare Argo CD vs Flux CD for Kubernetes GitOps. Understand their distinct architectures and choose the best tool for your CI/CD pipeline.

- Tags: architecture
- Published: 2026-07-15

### [Argo CD Alternative to Helm: Complete Guide to GitOps Deployments](/argoproj/argo-cd/argo-cd-alternative-to-helm)

Explore Argo CD as a powerful GitOps alternative to Helm for declarative deployments. Streamline your CI CD process with internal templating and native Kustomize support.

- Tags: tutorial
- Published: 2026-07-15

### [Argo CD Custom Resource Definitions (CRDs): A Complete Technical Guide](/argoproj/argo-cd/argo-cd-custom-resource-definitions-crds)

Master Argo CD custom resource definitions (CRDs) with this technical guide. Understand how applications, appprojects, applicationsets, and more drive GitOps workflows via Kubernetes APIs.

- Tags: deep-dive
- Published: 2026-07-15

### [Argo CD Monitoring and Metrics: Complete Configuration Guide for Prometheus](/argoproj/argo-cd/argo-cd-monitoring-and-metrics)

Configure Argo CD monitoring and metrics with Prometheus. Learn to track application health, sync performance, and controller resource usage with this complete guide.

- Tags: how-to-guide
- Published: 2026-07-15

### [Argo CD Troubleshooting Common Issues: Component-Based Diagnostics and Solutions](/argoproj/argo-cd/argo-cd-troubleshooting-common-issues)

Troubleshoot common Argo CD issues by diagnosing failures in API Server, Repo Server, Application Controller, Redis, or Notification Engine using logs and configuration checks.

- Tags: how-to-guide
- Published: 2026-07-15

### [Argo CD Authentication and Authorization: A Deep Dive into the Four-Layer Security Architecture](/argoproj/argo-cd/argo-cd-authentication-and-authorization)

Master Argo CD authentication and authorization with our deep dive into its four-layer security architecture. Understand JWT validation and RBAC policies for robust deployment control.

- Tags: deep-dive
- Published: 2026-07-15

### [Argo CD Rollback Application: How to Revert Deployments Using the Sync Engine](/argoproj/argo-cd/argo-cd-rollback-application)

Easily perform Argo CD rollback application operations. Revert deployments to previous revisions using the sync engine for seamless application history management.

- Tags: how-to-guide
- Published: 2026-07-15

### [Argo CD Health Status Explained: Aggregation Logic and Custom Checks](/argoproj/argo-cd/argo-cd-health-status-explained)

Understand Argo CD health status aggregation logic. Learn how it prioritizes resource health and enables custom checks with Lua scripts for better application monitoring.

- Tags: deep-dive
- Published: 2026-07-15

### [How to Deploy Applications with Argo CD: GitOps Delivery Step-by-Step](/argoproj/argo-cd/how-to-deploy-applications-with-argo-cd)

Deploy applications with Argo CD using GitOps. Learn step by step how to monitor Git repositories and sync desired states to Kubernetes clusters automatically.

- Tags: how-to-guide
- Published: 2026-07-15

### [Argo CD GitOps Workflow Explained: 7 Stages from Repository to Cluster](/argoproj/argo-cd/argo-cd-gitops-workflow)

Explore the Argo CD GitOps workflow in 7 stages. Discover how Argo CD continuously syncs your Kubernetes clusters with your Git repository for automated, declarative deployments.

- Tags: deep-dive
- Published: 2026-07-15

### [How to Use the Argo CD CLI: A Complete Developer and User Guide](/argoproj/argo-cd/how-to-use-argo-cd-cli)

Master the Argo CD CLI to manage GitOps workflows authenticate with the API server and debug locally. This comprehensive guide empowers developers to leverage the command-line interface efficiently.

- Tags: how-to-guide
- Published: 2026-07-15

### [How to Install Argo CD: A Complete Guide to Kubernetes Deployment](/argoproj/argo-cd/how-to-install-argo-cd)

Easily install Argo CD on Kubernetes with our complete guide. Learn to apply manifests, create CRDs, Deployments, and RBAC for seamless GitOps.

- Tags: how-to-guide
- Published: 2026-07-15

### [What Is Argo CD? Architecture and Components of the GitOps Continuous Delivery Tool](/argoproj/argo-cd/what-is-argo-cd)

Argo CD is a declarative GitOps tool for Kubernetes. Discover its architecture and components to achieve continuous delivery by matching live cluster state with Git repository definitions.

- Tags: getting-started
- Published: 2026-07-15

### [Argo CD Plugin Development and Integration: CLI and Config-Management Plugin Guide](/argoproj/argo-cd/argo-cd-plugin-development-and-integration)

Master Argo CD plugin development and integration. Learn to build custom CLI plugins and Config-Management Plugins (CMP) to extend Argo CD functionality for enhanced CI/CD workflows.

- Tags: how-to-guide
- Published: 2026-07-14

### [How to Customize the Argo CD UI: CSS Themes, Banners, and Branding Options](/argoproj/argo-cd/how-to-customize-argo-cd-ui)

Customize your Argo CD UI with CSS themes, banners, and branding. Learn how to inject stylesheets and modify UI elements via the argocd-cm ConfigMap for a personalized experience.

- Tags: how-to-guide
- Published: 2026-07-14

### [Troubleshooting Common Argo CD Deployment Issues: A Complete Guide for GitOps Operators](/argoproj/argo-cd/troubleshooting-common-argo-cd-deployment-issues)

Troubleshoot common Argo CD deployment issues. Learn to diagnose cluster connectivity, ConfigMap, and TLS errors using argocd admin CLI tools and ConfigMaps.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD RBAC and Authentication Methods: A Complete Configuration Guide](/argoproj/argo-cd/argo-cd-rbac-and-authentication-methods)

Configure Argo CD RBAC and authentication with our complete guide. Learn to manage access using Casbin policies and integrate local users or SSO providers like OIDC.

- Tags: how-to-guide
- Published: 2026-07-14

### [How to Set Up Argo CD Dashboards: Local UI Administration Guide](/argoproj/argo-cd/how-to-set-up-argo-cd-dashboards)

Learn to set up Argo CD dashboards easily with the argocd admin dashboard command. Access your local UI at http://localhost:8080 without external components.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD Custom Resources (CRDs) Explained: GitOps Configuration for Kubernetes](/argoproj/argo-cd/argo-cd-custom-resources-explained)

Understand Argo CD Custom Resources (CRDs) and how they extend Kubernetes for declarative GitOps. Learn about Application, AppProject, and ApplicationSet resources for managing deployments.

- Tags: deep-dive
- Published: 2026-07-14

### [How to Use the Argo CD CLI for Development: A Complete Guide](/argoproj/argo-cd/how-to-use-argo-cd-cli-for-development)

Master the Argo CD CLI for development. Automate GitOps workflows, interact with installations, and debug locally with our comprehensive guide.

- Tags: how-to-guide
- Published: 2026-07-14

### [How to Configure Argo CD for Kubernetes](/argoproj/argo-cd/how-to-configure-argo-cd-for-kubernetes)

Learn how to configure Argo CD for Kubernetes by installing the control plane, defining clusters in Application resources, and tuning behavior via ConfigMaps and Secrets.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD Health Status and Monitoring: A Complete Guide to Application Health Checks](/argoproj/argo-cd/argo-cd-health-status-and-monitoring)

Master Argo CD health status monitoring. Learn how Argo CD checks application health using Go and Lua scripts for Kubernetes resources and CRDs.

- Tags: how-to-guide
- Published: 2026-07-14

### [How to Perform Rollbacks with Argo CD: CLI, API, and Source Code Deep Dive](/argoproj/argo-cd/how-to-perform-rollbacks-with-argo-cd)

Learn how to perform rollbacks with Argo CD using the CLI, API, and source code. Argo CD rollbacks are sync operations targeting specific revision history entries.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD Synchronization Strategies: Automated, Manual, and Progressive Sync Explained](/argoproj/argo-cd/understanding-argo-cd-synchronization-strategies)

Master Argo CD synchronization strategies including automated, manual, and progressive sync. Learn how to effectively manage your Kubernetes cluster deployments with SyncPolicy.

- Tags: deep-dive
- Published: 2026-07-14

### [How to Integrate Argo CD with Git Repositories: CLI, UI, and Declarative Setup](/argoproj/argo-cd/how-to-integrate-argo-cd-with-git-repositories)

Integrate Argo CD with Git repositories for automatic manifest cloning and cluster state synchronization using Kubernetes secrets. Learn CLI, UI, and declarative setup.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD GitOps Workflow Explained: Architecture and Implementation](/argoproj/argo-cd/argo-cd-gitops-workflow-explained)

Understand the Argo CD GitOps workflow. See how it compares Git desired state with live Kubernetes and automatically reconciles drift through its architecture and implementation.

- Tags: architecture
- Published: 2026-07-14

### [How to Define Applications in Argo CD: The Complete Guide to Application CRDs](/argoproj/argo-cd/how-to-define-applications-in-argo-cd)

Learn to define Argo CD applications using Application CRDs. Connect repositories to clusters declaratively with sync policies and project membership. Your complete guide to Argo CD app definitions.

- Tags: how-to-guide
- Published: 2026-07-14

### [Argo CD Reconciliation Loop: How the Application Controller Maintains GitOps State](/argoproj/argo-cd/what-is-the-argo-cd-reconciliation-loop)

Understand the Argo CD reconciliation loop, the GitOps engine that constantly syncs your cluster's live state with your Git repo, automatically fixing drift and ensuring declarative infrastructure.

- Tags: internals
- Published: 2026-07-14

### [How Argo CD Manages Application Deployments: Inside the GitOps Controller](/argoproj/argo-cd/how-does-argo-cd-manage-application-deployments)

Discover how Argo CD manages application deployments using GitOps. Learn about its reconciliation process, rendering, diffing, and synchronized apply operations for efficient Kubernetes management.

- Tags: internals
- Published: 2026-07-14

### [Argo CD Core Components Explained: Architecture, Roles, and Implementation Details](/argoproj/argo-cd/exploring-argo-cd-core-components-and-their-roles)

Understand Argo CD core components: Application Controller, Repo Server, API Server, and more. Discover their roles in implementing GitOps workflows and reconciling Git with Kubernetes resources.

- Tags: architecture
- Published: 2026-07-14

### [Argo CD API Endpoints Reference: Complete REST API and gRPC Gateway Guide](/argoproj/argo-cd/argo-cd-api-endpoints-reference)

Explore the complete Argo CD API endpoints reference. Discover REST API and gRPC Gateway details for managing Applications, Clusters, and Repositories with ease.

- Tags: api-reference
- Published: 2026-07-14

### [How to Interact with the Argo CD API: A Complete Guide for REST and gRPC](/argoproj/argo-cd/how-to-interact-with-the-argo-cd-api)

Master the Argo CD API with this comprehensive guide. Learn to interact effectively using both REST and gRPC for seamless automation and integration with your CI/CD workflows.

- Tags: how-to-guide
- Published: 2026-07-14

### [Understanding the Argo CD API Structure: A Deep Dive into CRDs and Endpoints](/argoproj/argo-cd/understanding-the-api-structure-of-argo-cd)

Explore the Argo CD API structure. Understand how CRDs like Application orchestrate GitOps workflows and discover gRPC/HTTP endpoints for manifest rendering and client requests.

- Tags: deep-dive
- Published: 2026-07-14

### [Deep Dive into Argo CD Core Feature Functionalities: GitOps Controller Architecture Explained](/argoproj/argo-cd/deep-dive-into-argo-cd-core-feature-functionalities)

Explore Argo CD core functionalities and its GitOps controller architecture. Learn how Argo CD synchronizes Kubernetes clusters with Git-stored desired state through a six-stage pipeline.

- Tags: deep-dive
- Published: 2026-07-14

### [Core Features of Argo CD: A Complete Guide to GitOps Continuous Delivery](/argoproj/argo-cd/what-are-the-main-core-features-of-argo-cd)

Explore Argo CD core features including declarative GitOps, automated sync engines, health monitoring, and RBAC for seamless Kubernetes continuous delivery. Master your deployments.

- Tags: deep-dive
- Published: 2026-07-14

### [How to Get Started with Argo CD Core Features: A Complete Guide](/argoproj/argo-cd/how-to-get-started-with-argo-cd-core-features)

Learn to get started with Argo CD core features. Install, configure the CLI, and create your first Application for declarative GitOps continuous delivery on Kubernetes.

- Tags: getting-started
- Published: 2026-07-14

### [Argo CD Audit Log: A Complete Guide to Kubernetes Event Tracking](/argoproj/argo-cd/what-is-the-argo-cd-audit-log)

Understand the Argo CD audit log for Kubernetes event tracking. Discover who did what, to which resource, and why with this complete guide.

- Tags: deep-dive
- Published: 2026-07-09

### [Argo CD Resource Hooks: Synchronization Phases and Lifecycle Management](/argoproj/argo-cd/what-are-argo-cd-resource-hooks)

Learn about Argo CD resource hooks, custom Kubernetes resources attached to application sync lifecycle points using the argocd.argoproj.io/hook annotation for better management.

- Tags: deep-dive
- Published: 2026-07-09

### [How to Implement Progressive Delivery with Argo CD: RollingSync Strategy Guide](/argoproj/argo-cd/how-to-implement-progressive-delivery-with-argo-cd)

Implement progressive delivery with Argo CD using the RollingSync strategy. Master sequential rollouts across environments with this comprehensive guide.

- Tags: how-to-guide
- Published: 2026-07-09

### [What Is the Argo CD Notification Controller? Architecture and Implementation Guide](/argoproj/argo-cd/what-is-the-argo-cd-notification-controller)

Discover the Argo CD notification controller, a key Kubernetes component for real-time alerts on application lifecycle events. Integrate with Slack, email, and webhooks seamlessly.

- Tags: architecture
- Published: 2026-07-09

### [What Is the Argo CD CLI Used For? Commands, Architecture, and Examples](/argoproj/argo-cd/what-is-the-argo-cd-cli-used-for)

Explore the Argo CD CLI to programmatically manage GitOps workflows. Discover commands, architecture, and examples for seamless automation with the argocd interface.

- Tags: how-to-guide
- Published: 2026-07-09

### [How to Secure Argo CD: A Complete Hardening Guide for Production Clusters](/argoproj/argo-cd/how-to-secure-argo-cd)

Learn to secure Argo CD in production. This guide covers TLS hardening RBAC isolation and audit logging to boost your cluster security.

- Tags: how-to-guide
- Published: 2026-07-09

### [Argo CD Health Checks: How Resource Health Is Determined and Aggregated](/argoproj/argo-cd/what-are-argo-cd-health-checks)

Understand Argo CD health checks. Learn how Argo CD determines resource health for your applications using built-in logic and custom scripts for CRDs. Ensure your deployments are healthy.

- Tags: deep-dive
- Published: 2026-07-09

### [How to Troubleshoot Argo CD Sync Failures: A Complete Guide](/argoproj/argo-cd/how-to-troubleshoot-argo-cd-sync-failures)

Troubleshoot Argo CD sync failures by exploring sync controller issues, window policies, permissions, shared conflicts, and sync options. Fix your deployments now.

- Tags: how-to-guide
- Published: 2026-07-09

### [Argo CD Application Manifest: Anatomy of the Application CRD](/argoproj/argo-cd/what-is-the-argo-cd-application-manifest)

Explore the Argo CD application manifest, a Kubernetes CRD that declaratively defines application deployment from Git, Helm, or Kustomize to target clusters.

- Tags: architecture
- Published: 2026-07-09

### [How to Integrate Argo CD with CI/CD Pipelines: A Complete GitOps Guide](/argoproj/argo-cd/how-to-integrate-argo-cd-with-ci-cd-pipelines)

Learn to integrate Argo CD with CI/CD pipelines. Push manifest updates to Git and trigger automated deployments for a seamless GitOps workflow. Deploy faster with Argo CD.

- Tags: how-to-guide
- Published: 2026-07-09

### [Argo CD GitOps Approach: Declarative Continuous Delivery for Kubernetes](/argoproj/argo-cd/what-is-argo-cd-s-gitops-approach)

Discover Argo CD's GitOps approach for declarative continuous delivery in Kubernetes. Learn how Git repos become your single source of truth for automated infrastructure management.

- Tags: deep-dive
- Published: 2026-07-09

### [How to Use Argo CD with Helm Charts: A Complete GitOps Guide](/argoproj/argo-cd/how-to-use-argo-cd-with-helm-charts)

Master Argo CD with Helm charts using this complete GitOps guide. Learn how Argo CD manages chart templating declaratively for seamless Kubernetes application deployments.

- Tags: how-to-guide
- Published: 2026-07-09

### [How to Define Argo CD Applications: Complete Guide to the Application CRD](/argoproj/argo-cd/how-to-define-argo-cd-applications)

Learn to define Argo CD applications using the Application CRD. This guide covers specifying repositories, destinations, and sync policies for effective cluster management.

- Tags: how-to-guide
- Published: 2026-07-09

### [Argo CD ApplicationSet Controller: Multi-Cluster GitOps Automation Explained](/argoproj/argo-cd/what-is-the-argo-cd-applicationset-controller)

Discover the Argo CD ApplicationSet controller for automated multi-cluster GitOps. Automate Argo CD Application reconciliation with generators, templates, and sync policies.

- Tags: deep-dive
- Published: 2026-07-09

### [What Is the Argo CD API Server Used For? Architecture and Implementation](/argoproj/argo-cd/what-is-the-argo-cd-api-server-used-for)

Explore the Argo CD API server, the central control plane for authentication, resource management, and application synchronization. Learn its architecture and implementation.

- Tags: architecture
- Published: 2026-07-09

### [What Is the Argo CD Controller? Core Responsibilities and Architecture](/argoproj/argo-cd/what-is-the-role-of-the-argo-cd-controller)

Discover the crucial role of the Argo CD controller, the core reconciliation engine that synchronizes your Git state with live cluster configurations. Learn its responsibilities and architecture.

- Tags: deep-dive
- Published: 2026-07-09

### [Core Components of Argo CD: Architecture and Source Code Breakdown](/argoproj/argo-cd/what-are-the-core-components-of-argo-cd)

Discover the core components of Argo CD: API Server, Application Controller, Repo Server, Redis, and Dex. Understand the architecture and source code behind this GitOps tool.

- Tags: architecture
- Published: 2026-07-09

### [How to Install Argo CD Locally for Development](/argoproj/argo-cd/how-to-install-argo-cd-locally-for-development)

Install Argo CD locally for development by setting up a Kind cluster and running `make start` to launch the API server, repo server, and UI on your workstation. Get started quickly!

- Tags: getting-started
- Published: 2026-07-09