DevOps Advanced

What is Kubernetes?

An open-source container orchestration platform that automates deploying, scaling, and managing containerized applications.

Kubernetes (K8s) manages clusters of containers at scale. It handles load balancing, self-healing (restarting failed containers), rolling updates, secret management, and horizontal auto-scaling.

Core objects include Pods (smallest deployable units), Deployments (desired state), Services (networking), and ConfigMaps/Secrets (configuration). Managed offerings include EKS (AWS), GKE (Google), and AKS (Azure).

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Related Terms

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

SRE (Site Reliability Engineering)

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

Kubernetes Secret

A Kubernetes object for storing sensitive data like passwords, tokens, and certificates, with base64 encoding and optional encryption at rest.

Container Registry

A storage and distribution service for container images, similar to a package repository but for Docker images.

An agentless automation tool for configuration management, application deployment, and task automation using YAML playbooks.

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

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