Docker for Rails Developers: Build, Ship, and Run Your Applications Everywhere

Docker is a tool that simplifies software development by providing a consistent, portable, and scalable development environment. It enables developers to build, ship, and run applications quickly and efficiently, and it is becoming increasingly popular in the Ruby and Rails community. This book provides a hands-on guide to using Docker, covering topics such as installation, configuration, and best practices. It is suitable for developers with a basic understanding of Linux/Unix and is designed to help them integrate Docker into their development workflow and deployment process.

\n Format: Paperback / softback
\n Length: 240 pages
\n Publication date: 01 March 2019
\n Publisher: The Pragmatic Programmers
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Docker, much like Rails revolutionized web development, has emerged as a game-changer for DevOps. The days of grappling with on-machine issues and cumbersome setup processes are a thing of the past, giving way to a streamlined, consistent, and Docker-based development environment that empowers teams to get up and running in a matter of seconds. By leveraging Docker, developers gain hands-on experience with a tool that is fast becoming an essential component of software development.

Traditionally, deploying an app in the cloud presented a significant leap, requiring extensive preparations and configurations. However, Docker simplifies this process by transforming it into a manageable series of steps. It takes the monumental task of deploying an app in the cloud and breaks it down into manageable baby steps, making it accessible to developers of all levels.

Docker simplifies the build, ship, and run phases of application development. It automates the build process, ensuring that the application is built consistently and reliably across different environments. This eliminates the guesswork involved in manual build processes and guarantees that the application will work the same way regardless of where it is deployed.

Moreover, Docker enables developers to run applications at scale, effortlessly adding new resources as needed. This scalability is crucial for modern applications that require high performance and availability. With Docker, developers can easily spin up a cluster of machines to handle the increased workload, and then scale it down when demand decreases. This flexibility allows for cost-effective resource management and ensures that the application remains responsive to user needs.

One of the key advantages of Docker is its ability to provide a reliable and consistent environment for application development. Docker containers are lightweight and isolated, ensuring that each application runs in its own sandbox. This isolation prevents conflicts between applications and minimizes the risk of system-wide failures. With Docker, developers can confidently deploy their applications to different environments, such as development, staging, and production, knowing that they will function as expected.

Furthermore, Docker simplifies the process of DevOps without requiring a deep understanding of infrastructure and operations. It provides a declarative approach to app development, allowing developers to describe their applications in a simple and concise manner. Docker Compose, a powerful tool for defining application configurations, enables developers to specify the software dependencies and everything required to run the application. This eliminates the need for complex configuration files and makes it easier to manage and maintain the application infrastructure.

In addition to its benefits for application development, Docker plays a crucial role in continuous integration and deployment. It enables developers to set up automated build processes, test applications in different environments, and deploy changes seamlessly. With Docker, developers can establish a continuous integration pipeline that automatically builds and tests the application, and then deploys it to the production environment with minimal manual intervention. This reduces the risk of errors and ensures that the application is always up-to-date and reliable.

Furthermore, Docker integrates well with other DevOps tools and technologies, such as container orchestration platforms like Kubernetes. Kubernetes allows developers to scale their applications horizontally and manage them at scale, providing high availability and fault tolerance. By combining Docker with Kubernetes, developers can build robust and scalable applications that can handle the demands of modern applications.

In conclusion, Docker has emerged as a transformative tool for DevOps, offering developers a new set of superpowers. It simplifies the build, ship, and run phases of application development, enabling developers to build, ship, and run applications at scale, while providing a reliable and consistent environment. By leveraging Docker, developers can gain hands-on experience with a tool that is rapidly becoming fundamental to software development, and can streamline their DevOps processes without needing a deep understanding of infrastructure and operations. As Docker continues to evolve and mature, it is poised to become an even more powerful tool for developers and organizations looking to build and deploy high-quality applications in a fast-paced and competitive market.

\n Weight: 460g\n
Dimension: 192 x 235 x 14 (mm)\n
ISBN-13: 9781680502732\n \n