DevOps Intermediate

What is Grafana?

An open-source analytics and visualization platform for creating dashboards from various data sources.

Grafana creates interactive, customizable dashboards for monitoring data. It connects to Prometheus, Elasticsearch, PostgreSQL, MySQL, InfluxDB, CloudWatch, and many other data sources. Dashboards include graphs, gauges, tables, heatmaps, and alerts.

Features include dashboard templates, variables for dynamic filtering, alerting rules, annotations, and team-based access control. Grafana Cloud offers a managed service. It is the visualization layer in most modern monitoring stacks.

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Continuous Integration and Continuous Deployment — automated practices for building, testing, and deploying code changes.

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

An open-source automation server for building, testing, and deploying software through configurable CI/CD pipelines.

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

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

Immutable Deployment

A deployment strategy where new versions replace existing instances entirely rather than updating them in place.

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