DevOps Handbook E-Book

Poonam Devi

• Herausgeber: BookRix
• Kategorie: Wissenschaft und neue Technologien
• Sprache: Englisch
• Veröffentlichungsjahr: 2023

Beschreibung

"Unlock the Power of DevOps: Streamline Your Software Development and Operations for Unprecedented Efficiency and Innovation! In today's fast-paced digital landscape, businesses must evolve or risk falling behind. DevOps, the transformative practice that fuses development and operations, is the key to staying competitive. Our comprehensive guide, 'Unlocking DevOps Brilliance,' is your essential roadmap to mastering the DevOps methodology. Whether you're an IT professional, developer, manager, or executive, this book empowers you to break down the silos, automate processes, and accelerate software delivery. Discover: - Proven DevOps strategies and best practices - Real-world success stories from leading organizations - Expert insights on automation, CI/CD, and cloud technologies - Strategies for fostering a culture of collaboration and innovationEmbrace DevOps, and revolutionize your software development lifecycle. Unleash the potential of your teams, drive faster releases, and achieve unparalleled agility in the ever-evolving tech landscape. 'Unlocking DevOps Brilliance' is your essential guide to building a brighter, more efficient future." Feel free to tailor this blurb to the specific focus and goals of your DevOps book or resource.

Leseprobe

Poonam Devi

DevOps Handbook

DevOps eBook for IT Professionals

BookRix GmbH & Co. KG81371 Munich

Table of Content

DevOps TutorialDevOps ArchitectureDevOps LifecycleDevOps WorkflowDevOps Tools:DevOps Automation:DevOps Engineers:DevOps Pipeline:Azure DevOps:AWS DevOps:DevOps Training CertificationsDevOps vs. AgilesThe Significance of Bash in DevOpsTerraform Destroy Command:Terraform For LoopTerraform Format Explained:Terraform Output Command:Terraform Output: Enabling Access to Provisioned Infrastructure InformationTerraform tfstate: Managing Infrastructure State

This eBook is based on DevOps that has been collected from different sources and people. For more information about this ebook. Kindly write to [email protected]. I will happy to help you.

Copyright 2023 by Poonam Devi

This eBook is a guide and serves as a next part of first guide.This book has been written on the advice of many experts and sources who have good command over DevOps, network an programming. They are listed at the end of this book.All images used in this book are taken from the LAB which is created by experts. All rights reserved, including the right to reproduce this book or portions thereof in any form whatsoever. For any query reach out to the author through email.

DevOps Tutorial

DevOps, short for Development and Operations, represents a cultural shift that emphasizes the collaborative integration of the development and operational processes. It aims to streamline the entire application lifecycle, from development and testing to deployment and ongoing operations. This DevOps tutorial serves as a comprehensive resource to grasp the fundamentals of DevOps, along with an in-depth exploration of various essential DevOps tools like Git, Ansible, Docker, Puppet, Jenkins, Chef, Nagios, and Kubernetes.

What is DevOps?

DevOps merges the realms of software development and operations into a unified approach where a single team manages the entire application lifecycle. This includes development, testing, deployment, and ongoing operations. DevOps addresses the disconnection that often exists between software developers, quality assurance (QA) engineers, and system administrators.

DevOps fosters collaboration between the Development and Operations teams, enabling automated and repeatable code deployments to production. It accelerates an organization's ability to deliver applications and services, ultimately enhancing customer service and competitive positioning in the market. DevOps can be defined as a sequential process of development and IT operations, marked by improved communication and collaboration. DevOps has evolved into a crucial business discipline for enterprises, significantly improving the quality and speed of application delivery. DevOps essentially entails bringing Developers and Operations teams together, representing a cultural shift in IT that prioritizes rapid IT service delivery through agile practices and a system-oriented approach.

DevOps revolves around the integration of development and operational processes. Enterprises that adopt DevOps have reported a 22% enhancement in software quality, a 17% increase in application deployment frequency, and a 22% boost in customer satisfaction. Successful DevOps implementations have led to a 19% increase in revenue.

Why DevOps?

Before delving deeper, it's essential to understand why DevOps is preferred over other approaches: Dev and Ops Teams Working in Isolation: Traditionally, development and operations teams operated independently, leading to inefficiencies and communication gaps. Sequential Testing and Deployment: Testing and deployment occurred after the design-build phase, resulting in extended project timelines.

Time Consumption in Manual Processes: Without DevOps, significant time was spent on manual processes such as designing, testing, and deploying, diverting focus from actual project development.

Human Errors in Manual Deployments: Manual code deployment often resulted in human errors during production. Lack of Synchronization: Development and operation teams followed separate timelines, causing further delays and misalignment.

DevOps History

The history of DevOps unfolds as follows:

2009: The first DevOps conference, DevOpsdays, was held in Ghent, Belgium, founded by Belgian consultant Patrick Debois.

2012: The State of DevOps report was launched, conceptualized by Alanna Brown at Puppet.

2014: Nicole Forsgren, Jez Humble, Gene Kim, and others published the annual State of DevOps report, revealing that DevOps adoption was gaining momentum.

2015: DORA (DevOps Research and Assessment) was founded by Nicole Forsgren, Gene Kim, and Jez Humble.

2017: Nicole Forsgren, Gene Kim, and Jez Humble authored "Accelerate: Building and Scaling High Performing Technology Organizations," further advancing the DevOps discourse.

DevOps Architecture Features

DevOps architecture boasts several key features, including:

Automation: Automation plays a pivotal role in reducing time consumption, particularly during testing and deployment phases. It enhances productivity, expedites releases, and aids in swift bug identification and resolution. Automated tests, cloud-based services, and builds define each code, fostering continuous delivery and automated production deployments.

Collaboration: The DevOps approach encourages collaboration between Development and Operations teams, transforming them into a unified DevOps team. This collaboration enhances the cultural model, fostering productivity, accountability, and shared ownership. These cross-functional teams collaborate closely, facilitating faster deployment to production.

Integration: Integrating applications with other components in the environment is critical. The integration phase combines existing code with new functionality and undergoes continuous integration and testing. This approach enables ongoing development and addresses challenges associated with frequent releases and micro-services. Continuous integration and delivery ensure quicker, safer, and more reliable delivery.

Configuration Management: Configuration management ensures that an application interacts exclusively with resources relevant to its operating environment. It separates external configuration from the source code, allowing configuration files to be written during deployment or loaded at runtime, depending on the environment.

DevOps Advantages and Disadvantages