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What is ArgoCD?

A declarative GitOps continuous delivery tool for Kubernetes that automatically syncs cluster state with Git repositories.

ArgoCD follows the GitOps principle: Git is the single source of truth for desired cluster state. It monitors Git repositories and automatically applies changes to Kubernetes clusters, ensuring the deployed state matches the declared state.

Features include automated sync, manual sync with approval, drift detection, rollback, multi-cluster management, SSO integration, and a web UI for visualization. ArgoCD is the leading GitOps tool for Kubernetes environments.

Related Terms

Message Queue
A communication mechanism that enables asynchronous message passing between services, decoupling producers from consumers.
CI/CD
Continuous Integration and Continuous Deployment — automated practices for building, testing, and deploying code changes.
Postmortem
A structured analysis conducted after an incident to understand what happened, why, and how to prevent recurrence — without assigning blame.
Kubernetes
An open-source container orchestration platform that automates deploying, scaling, and managing containerized applications.
Docker Compose
A tool for defining and running multi-container Docker applications using a YAML configuration file.
Health Check
An endpoint or mechanism that reports whether an application is running correctly and ready to handle requests.
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