CODEWITHSUNDEEP
dockervirtual-machine
Bercovici Adrian
Bercovici Adrian

Reputation: 9380

Is docker using only one host OS?

I have been reading and fiddling around with docker, but I don't understand the layered architecture for docker and docker for windows.

1 I do not understand for standard docker when you have the basic linux on which the docker daemon is installed, and you come with an application that requires Linux A.

Is docker basically doing the following:

  1. Do Linux A - Basic Linux and get all the required delta dependencies

  2. Run the application as a process directly on the Basic OS + the dependencies installed

    or

    Do Linux A-Basic Linux get delta AND run a new OS instance for our application..in which case shouldn't it be using a VM?or else how can you run an OS inside another OS without a VM? ( i am newbie )

Could someone shed some light?

2 As for docker for windows i understand that on top of what you have for docker for linux , you have your windows, you launch a VM and from there you repeat what i wrote earlier (starting from a Base Linux)

Upvotes: 0

Views: 80

Answers (1)

Blue Clouds
Blue Clouds

Reputation: 8191

Only one OS(kernal). If it is Linux docker then one Linux Kernal(base OS) per docker. You can add a layer of .net runtime on top it, then an application on top it. enter image description here

Upvotes: 1

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