DevOps foundations, source control and GitOps-style continuous delivery.

The ideas behind DevOps: breaking silos between development and operations, continuous integration and delivery, automation and feedback loops, and how teams measure delivery performance.

Version control and collaboration on GitHub: repositories, branches, pull requests and reviews, and automating builds with GitHub Actions.

GitOps principles: Git as the single source of truth for declarative infrastructure and applications, pull-based deployment and automatic reconciliation of drift.