DevOps, Cloud & Infrastructure

Developer launching their first Docker container: terminal displaying 'docker run' command, Docker whale logo, a container icon, progress bar and a green success checkmark icon ok.

Illustration of a Docker container: a lightweight, portable, isolated environment packaging an application and its dependencies, running consistently across different host systems.

Diagram showing step-by-step Docker installation on Ubuntu: update apt, install prerequisites, add Docker GPG key and repo, install docker-ce, enable & start docker. verify hello!!

Docker: containerization platform that packages apps, with dependencies into lightweight, portable containers for consistent deployment, scaling, testing and isolated environments.

Azure DevOps pipeline automates build, test, and deploy across repositories and agents, producing artifacts and enabling CI/CD with triggers, stages, approvals monitoring and logs.

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Kubernetes cluster security: network policies, RBAC, PodSecurity, image scanning, secrets management, logging, monitoring, automated updates, node hardening, least-privilege nodes.

Diagram showing AWS cost optimization: rightsizing, reserved instances, autoscaling, spot instances, storage tiering, monitoring, budgeting, tagging, and cost allocation. for teams

Illustration of webhook-based CI/CD integration: repository events trigger webhook payloads to CI servers, automated build, test, and deploy pipelines execute with logs and status.

Illustration of essential DevOps tools and workflows: CI/CD pipelines, containers, orchestration, monitoring, IaC, version control, test automation, team collaboration for engineers

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Diagram of migrating applications to Kubernetes: building containers, CI/CD, microservices, deployments, autoscaling, service mesh, observability, and automated cluster management.