Скачать или смотреть Docker Interview Questions and Answers PART — 1

In this video, I am going to explain the interview question asked for Docker. This is the first part of the video...


What is Docker?
What is the advantage of Docker over hypervisors?
What is Docker Image?
What is Docker Container?
What is Docker hub?
How to create a Docker container?
docker run -t -i image
How many containers can run per host?
Is Container technology new?
What are the networks that are available by default?
Difference between Docker Image and container?

Docker container is the runtime instance of the docker image.

Docker Image does not have a state, and its state never changes as it is just a set of files whereas docker container has its execution state.

What is difference b/w docker and VM?
Why do my services take 10 seconds to recreate or stop?

How do I run multiple copies of a Compose file on the same host?
custom project name using the -p command-line option or the COMPOSE_PROJECT_NAME environment variable.

Can I use JSON instead of YAML for my Compose file?
docker-compose -f docker-compose.json up

Should I include my code with COPY/ADD or a volume?
OR
What is the difference between ADD and COPY in Dockerfile?

How do you save Docker Image?
Docker save -o image.tar.gz container-tag
Docker load


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