DevOps Advanced

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.

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Infrastructure as Code (IaC)

The practice of managing infrastructure through machine-readable configuration files rather than manual processes.

A file containing build rules and commands that automates compilation and common project tasks using the make utility.

Continuous Integration and Continuous Deployment — automated practices for building, testing, and deploying code changes.

SRE (Site Reliability Engineering)

An engineering discipline that applies software engineering principles to infrastructure and operations to create reliable systems.

A human-readable data serialization language commonly used for configuration files in DevOps tools and applications.

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