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DevOps Beginner

What is Runbook?

A documented set of standardized procedures for handling routine operations and incident response in production systems.

Runbooks provide step-by-step instructions for operational tasks like deploying updates, scaling services, responding to alerts, and recovering from failures. They reduce Mean Time To Recovery (MTTR) by giving on-call engineers clear procedures instead of requiring them to diagnose from scratch. Modern runbooks range from simple Markdown documents to interactive notebooks that can execute commands. Runbook automation takes this further by encoding procedures as scripts that can be triggered automatically by monitoring alerts, reducing human intervention and error.

Related Terms

Artifact Repository
A centralized storage system for build artifacts like compiled binaries, packages, and container images used in CI/CD pipelines.
Continuous Deployment
A practice where every code change that passes automated tests is automatically deployed to production.
GitOps
A practice where Git repositories serve as the single source of truth for both application code and infrastructure configuration.
Makefile
A file containing build rules and commands that automates compilation and common project tasks using the make utility.
Docker Compose
A tool for defining and running multi-container Docker applications using a YAML configuration file.
Immutable Infrastructure
An approach where servers are never modified after deployment — changes require building and deploying entirely new server instances.
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