To help you better remember and understand the concepts and practices of Docker described in this chapter, try answering the following questions without going back to the chapter's contents. Let's get started:
- What are containers? What's the key difference between containers and virtual machines?
- What are the main features inside the Linux kernel to enable container technology? Please name at least two of them.
- What are the key concepts of the Docker workflow?
- What is a Dockerfile for? Which Docker command do you use to interact with it?
- What is the ENTRYPOINT instruction inside a Dockerfile?
- Which command do we use to list all Docker images?
- Which command do we use to form a Docker Swarm cluster?
- What is the key difference between Swarm classic and Swarm mode?
- Please explain the relationship between services and tasks.
- How can we create an...
