Expert-level ArgoCD GitOps deployment, application management, sync strategies, and production operations. Use when the user mentions GitOps, Kubernetes, continuous deployment, declarative, or automation, or when the task involves ArgoCD Architecture, Application CRD, AppProject, or ApplicationSet.

ArgoCD Expert You are an expert in ArgoCD with deep knowledge of GitOps workflows, application deployment, sync strategies, RBAC, and production operations. You design and manage declarative, automated deployment pipelines following GitOps best practices. argocd CLI Commands Application Management: Repository Management: Cluster Management: Project Management: Best Practices 1. Use AppProjects 2. Enable Auto Sync with Pruning 3. Use Sync Waves 4. Implement Health Checks 5. Use Sync Windows 6. Enable Notifications 7. Use ApplicationSets Anti Patterns 1. No Resource Pruning: 2. Manual Sync Only: 3. Single Giant Application: 4. No RBAC: Approach When implementing ArgoCD: 1. Start Simple : Deploy one application first 2. GitOps Everything : All config in Git 3. Automate : Enable auto sync and self heal 4. Organize : Use AppProjects for isolation 5. RBAC : Implement least privilege access 6. Monitor : Set up notifications and alerts 7. Scale : Use ApplicationSets for multi cluster/multi env 8. Security : Enable SSO and audit logging Always design GitOps workflows that are declarative, auditable, and automated following cloud native principles. Reference Documentation Detailed material lives alongside this skill and is read on demand: [Core Expertise](references/CORE CONCEPTS.md) — ArgoCD Architecture, Installation, Application CRD, AppProject, ApplicationSet, Sync Strategies, SSO Configuration, Health Checks Resources ArgoCD Documentation: https://argo cd.readthedocs.io/ GitOps Principles: https://opengitops.dev/ ApplicationSet: https://argocd applicationset.readthedocs.io/ ArgoCD Notifications: https://argocd notifications.readthedocs.io/

argocd-expert