DevOps Intermediate

What is API Gateway?

A server that acts as the single entry point for API requests, handling routing, authentication, rate limiting, and monitoring.

API gateways sit between clients and backend services, providing a unified interface. They handle cross-cutting concerns like authentication, SSL termination, request/response transformation, rate limiting, caching, and logging.

Popular solutions include Kong, AWS API Gateway, Apigee, and Traefik. In microservices architectures, the gateway simplifies client communication by providing a single endpoint instead of requiring clients to know about individual services.

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Incident Management

The process of detecting, responding to, and resolving service disruptions to minimize impact and restore normal operations.

The practice of collecting, analyzing, and alerting on system metrics and logs to ensure application health and performance.

Infrastructure Drift

The divergence between the actual state of infrastructure and its defined desired state, caused by manual changes or untracked modifications.

Continuous Deployment

A practice where every code change that passes automated tests is automatically deployed to production.

An infrastructure layer that handles service-to-service communication, providing load balancing, encryption, and observability.

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

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