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DevOps Intermediate

What is Nginx?

A high-performance web server and reverse proxy known for its stability, low resource usage, and ability to handle many concurrent connections.

Nginx (pronounced "engine-x") serves as a web server, reverse proxy, load balancer, and HTTP cache. Its event-driven, non-blocking architecture handles thousands of concurrent connections efficiently.

Common uses include serving static files, proxying to application servers (PHP-FPM, Node.js, Python), SSL termination, and load balancing. Configuration uses a declarative block-based syntax.

Related Terms

Git
A distributed version control system that tracks changes in source code during software development.
Infrastructure Drift
The divergence between the actual state of infrastructure and its defined desired state, caused by manual changes or untracked modifications.
GitFlow
A branching model for Git that defines a strict workflow with feature, develop, release, hotfix, and main branches.
Error Budget
The acceptable amount of unreliability allowed for a service, calculated as 100% minus the Service Level Objective.
Immutable Infrastructure
An approach where servers are never modified after deployment — changes require building and deploying entirely new server instances.
Monitoring
The practice of collecting, analyzing, and alerting on system metrics and logs to ensure application health and performance.
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