Learn DevOps CICD with Jenkins Using Pipelines and Docker

by Amari Knox is a practical, hands-on guide that empowers beginners and experienced developers alike to master DevOps principles and implement efficient CI/CD workflows. Published in its first edition in 2025, this book draws from real-world applications, mirroring popular Udemy courses, to teach automation of builds, tests, and deployments using Jenkins, Docker, and Job DSL.
DevOps bridges development and operations for faster, more reliable software delivery, as exemplified by pioneers like Netflix and Amazon. Starting with core concepts-collaboration, automation, continuous improvement, Infrastructure as Code (IaC), and DevSecOps-the book explores CI/CD's role in the Software Development Lifecycle (SDLC), citing data from reports like the 2023 State of DevOps by Google Cloud. Readers learn why Jenkins excels over tools like GitHub Actions, with comparisons of traditional freestyle jobs versus modern pipelines.
Step-by-step chapters guide setup: Install Jenkins via Docker on Ubuntu, build a Node.js to-do app, automate with IaC scripts, and use Job DSL for programmatic job creation. Master declarative and scripted pipelines in Groovy, containerize apps with multi-stage Dockerfiles, and advance to parallel testing, blue-green deployments, error handling, and multi-branch pipelines for PR feedback.
Security is emphasized with matrix authorization, SAML/LDAP integration, encrypted secrets, and vulnerability scanning using Trivy. Real-world case studies demonstrate end-to-end CI/CD for production Node.js apps, performance tuning with caching and resource allocation, integrations like GitHub webhooks, SonarQube, and Terraform, plus monitoring with Grafana.
Career tips include resume advice, interview questions on Jenkins, and roles like DevOps Engineer or SRE. A final project builds a complete CI/CD system for a Python Flask app, extending to Kubernetes and GitOps. Packed with actionable steps, code snippets, troubleshooting FAQs, exercises, and an appendix with glossary and cheat sheets, this book equips you to reduce deployment errors by 90%, achieve frequent releases, and boost employability-DevOps engineers average $120k+ salaries.
Ideal for developers, IT pros, and students, this 2025 resource aligns with evolving trends, preparing you for enterprise automation. Unlock faster time-to-market, improved reliability, and innovation-embrace the DevOps way today!

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