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DevOps Intermediate

What is GitOps?

A practice where Git repositories serve as the single source of truth for both application code and infrastructure configuration.

GitOps extends Infrastructure as Code by using Git as the operational mechanism. All changes to infrastructure and applications go through Git pull requests. Automated agents (ArgoCD, Flux) ensure the live system matches the Git repository.

Benefits include audit trail (Git history), rollback (git revert), collaboration (pull requests), and consistency (single source of truth). GitOps is the dominant deployment pattern for Kubernetes-based environments.

Related Terms

Immutable Deployment
A deployment strategy where new versions replace existing instances entirely rather than updating them in place.
Service Discovery
A mechanism that automatically detects and tracks the network locations of service instances in distributed systems.
Message Queue
A communication mechanism that enables asynchronous message passing between services, decoupling producers from consumers.
Packer
A tool for creating identical machine images for multiple platforms from a single configuration file.
Vault
A tool by HashiCorp for securely managing secrets, encryption keys, and certificates with dynamic secret generation.
API Gateway
A server that acts as the single entry point for API requests, handling routing, authentication, rate limiting, and monitoring.
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