Dive into a comprehensive 8-hour Docker tutorial covering essential concepts, installation, commands, and practical applications. Learn about Docker's origins, core principles, and components. Master container and image management, explore data volumes, and understand Dockerfile creation. Gain hands-on experience by building custom images, working with popular databases like MySQL and Redis, and pushing local images to Alibaba Cloud. Install Docker on CentOS 6 and 7, configure Alibaba Cloud mirror acceleration, and discover Docker's underlying operational principles.