Docker
- Open source, Freely available for vendors
- Container based virtualization technology
- Based on philosophy : Develop, Ship and Run
- Automates deployment of software (CD in DevOps)
- Helps rapidly assembling of applications by eliminating environment dependencies
- Released : March 2013
Containers
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Docker engine
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Host OS
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Server
Why Docker ?
- More complete environments can be provided
- Container launch time is much faster than traditional deployments
- Self contained in terms of dependencies
- Portable : can run on any platform / OS
- Lightweight : Container only contain essential dependencies
- Scalability
- Easy app management : Incremental changes and versioning allowed to templates
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