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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.
Nginx
A high-performance web server and reverse proxy known for its stability, low resource usage, and ability to handle many concurrent connections.
Kubernetes ConfigMap
A Kubernetes object that stores non-sensitive configuration data as key-value pairs, injected into pods as environment variables or files.
Infrastructure as Code (IaC)
The practice of managing infrastructure through machine-readable configuration files rather than manual processes.
Infrastructure Drift
The divergence between the actual state of infrastructure and its defined desired state, caused by manual changes or untracked modifications.
Docker Volume
A mechanism for persisting data generated by Docker containers, surviving container restarts and removals.
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