Kubernetes (K8s) is an open-source container orchestration platform. It automates the deployment, scaling, and management of containerized applications. Key Concepts Pod: The smallest deployable unit Service: A stable network endpoint Deployment: Manages application updates Namespace: Logical isolation within a cluster Why Kubernetes? Self-healing, automatic scaling, and service discovery make it
Continuous Integration and Continuous Deployment (CI/CD) pipelines automate the software delivery process. They enable teams to ship code faster and with more confidence. How CI/CD Works When code is pushed to a repository, the CI pipeline automatically builds, tests, and validates the changes. If all tests pass, the
As systems become more distributed, monitoring becomes critical. Observability goes beyond traditional monitoring to provide insights into system behavior. Three Pillars of Observability Logs: Records of events that happened Metrics: Numerical measurements over time Traces: Request paths through distributed systems Tools to Use Prometheus for metrics, Grafana for visualization, and
DevOps represents a cultural shift in how software development and operations teams collaborate. By breaking down silos and automating processes, organizations can deliver software faster and more reliably. Core DevOps Practices Continuous Integration: Developers merge code changes frequently into a central repository where automated builds and tests run. Continuous Deployment:
Docker has revolutionized how we develop, ship, and run applications. It provides a consistent environment from development to production, eliminating the 'it works on my machine' problem. Why Docker? Docker containers are lightweight, standalone, and executable packages of software that include everything needed to run an application. They&
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