Learning Docker

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Docker enables the creation, deployment, and management of applications flexibly across various platforms, supporting stable, secure, and scalable app containers and microservices architecture. This updated edition demonstrates how to utilize Docker's features for deploying existing applications. Readers will learn to package applications with Docker, build, ship, and scale containers, and explore real-world examples of securing and managing Docker containers. Targeted at developers, operations managers, and IT professionals, this book requires no prior knowledge of Docker. It covers the development of containerized applications using Docker version 17.03, building Docker images from containers, and leveraging Dockerfiles. Readers will understand data sharing through Docker volumes, Docker Jenkins integration, and container orchestration, alongside frequently used commands like docker exec, docker ps, docker top, and docker stats. As an open-source containerization engine, Docker simplifies software development and execution. It wraps software in a complete filesystem, allowing applications to run anywhere—whether in the cloud, on virtual machines, or dedicated servers. This guide introduces new Docker features, walking readers through commands for managing images and containers, downloading images, running containers, and sharing data with Docker's volumes. It also covers container orchestration with Docker Compose, debuggi