The video tutorial covers the use of Prometheus for application monitoring, focusing on configuring Prometheus scraping in Kubernetes, viewing metrics in the Prometheus dashboard, and integrating with GitLab CI. It explains how to annotate services for Prometheus to scrape metrics and demonstrates the use of the Prometheus dashboard to visualize data. The tutorial also highlights the benefits of using GitLab CI for deploying Prometheus and concludes with a preview of the next section on custom CI infrastructure.

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