A reference guide for Docker commands and concepts designed to help developers and system administrators work with containerized applications. The cheat sheet covers Docker fundamentals including container creation, management, and deployment across different operating systems. It provides quick access to commonly used Docker commands for building, running, and managing containers. The resource includes information about Docker Hub integration for sharing and accessing pre-built container images. It covers container portability features that allow applications to run consistently across development, testing, and production environments. The guide addresses Docker's dependency management capabilities and how it tracks changes in containerized applications. It includes prerequisites such as kernel requirements for Linux systems and mentions compatibility with various development tools and plugins. The cheat sheet serves as a practical reference for teams implementing containerization workflows and managing application deployment pipelines using Docker technology.