DevOps Beginner

What is Git?

A distributed version control system that tracks changes in source code during software development.

Git allows multiple developers to work on the same codebase simultaneously. Each developer has a complete copy of the repository. Key operations include commit (save changes), branch (parallel development), merge (combine branches), and push/pull (sync with remote).

Popular hosting platforms include GitHub, GitLab, and Bitbucket. Git enables code review through pull/merge requests and maintains a complete history of all changes.

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Related Terms

A branching model for Git that defines a strict workflow with feature, develop, release, hotfix, and main branches.

Immutable Infrastructure

An approach where servers are never modified after deployment — changes require building and deploying entirely new server instances.

Configuration Management

The practice of systematically managing and maintaining consistent server configurations across infrastructure.

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

A popular log management platform combining Elasticsearch (search), Logstash (processing), and Kibana (visualization).

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

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