Docker is an open-source containerization platform that enables developers to build, package, and deploy applications in lightweight, portable containers. It ensures consistency across environments, making software development and deployment more efficient.

Features of Docker:

• Lightweight and portable containerization.
• Supports microservices and scalable deployments.
• Compatible with Linux, Windows, and macOS.
• Integrated with Docker Hub for image sharing.

To check the installed Docker version, run: docker --version.

Disclaimer: Docker is an open-source platform, maintained by Docker Inc. Some features may require a subscription for enterprise support and additional functionalities.