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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A practice where Git repositories serve as the single source of truth for both application code and infrastructure configuration.

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

Containerization

A lightweight virtualization method that packages applications with their dependencies into isolated, portable containers.

An architectural style where an application is composed of small, independent services that communicate over APIs.

A high-performance web server and reverse proxy known for its stability, low resource usage, and ability to handle many concurrent connections.

Kubernetes Secret

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

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