DevOps Intermediate

What is GitHub Actions?

A CI/CD platform integrated into GitHub that automates build, test, and deployment workflows using YAML configuration.

GitHub Actions triggers workflows on events (push, pull request, schedule, manual). Workflows are defined in .github/workflows/*.yml files with jobs, steps, and actions. The marketplace offers thousands of reusable actions.

Features include matrix builds (test across multiple OS/versions), secrets management, artifact storage, environment deployments, and self-hosted runners. Free tier includes generous minutes for public repositories.

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Related Terms

A tool by HashiCorp for securely managing secrets, encryption keys, and certificates with dynamic secret generation.

A packaged, versioned output of a build process — such as a Docker image, JAR file, or compiled binary — ready for deployment.

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

A package manager for Kubernetes that simplifies deploying and managing applications using reusable, configurable charts.

A structured analysis conducted after an incident to understand what happened, why, and how to prevent recurrence — without assigning blame.

SRE (Site Reliability Engineering)

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

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