1. What is Docker ?
Docker is a container management tool. Its the company name which released the Docker Engine tool which helps us to build, run and deploy our applications in laptops, desktops ,vms , cloud anywhere .
2. What is Container ?
Container is the running instance of a docker image.
3. How Docker work ?
Once request comes , Docker Client will sent the api request to Docker Server . Docker Server will talk to the containerD which is the industry standard for container run time interface .This will connect to the Kernel which creates isolated PID tree, ROOT FS , Network for the container runtime.
4. How Container work?
Uses and shares the same linux OS/Kernel and will have multiple PID tree, ROOT FileSystem, Network . These separate PID Tree, ROOT FS, Network creates isolated containers. Each will run as separate isolated process.
5. What are the components of Docker?
Four components -
1. Docker Engine
2. Docker Images
3. Docker Registry
4. Docker Container
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