Is Docker a container engine?

Related questions

1. How is a docker container different from a VM?
2. What are the prerequisites to learn Docker?
3. Is Docker still popular?
4. How do I stop a docker container from restarting?
5. How long does it take to learn Docker?
6. How is Docker compose different from Docker?
7. Can we run Docker on VM?
8. Can you use Docker for free?
9. Is Docker free to use?
10. Will Docker replace virtual machines?

Tags

1. #developers
2. #about
3. #containerizing
4. #consists
5. #powerful
6. #engine
7. #docker
8. #technology
9. #building
10. #applications
11. #containerization
12. #lightweight
13. #sysadmins
14. #combined
15. #develop
16. #source
17. #platform