What ACTUALLY is Docker

Docker enhances the native Linux containerization technologies which enables:

• seamless portability: can run natively across any desktop, data center or cloud development
• granular updates: only one process runs in a container. An application can continue running without a container being taken done
• automatic container creation: based on application source code
• container versioning: tracking image versions and roll backs are fast
• container reuse: base images can be used as templates for nee containers
• shared container libraries: an open source user contributed container images registry