Join Arthur Ulfeldt for an in-depth discussion in this video The Docker flow: Containers to images, part of Learning Docker.
- [Instructor] So we can see we went from an Image…to a Running Container.…When we ran that container again,…we got the same thing we got the first time.…And that's the whole point of images,…it's they are fixed points where you know…everything's good and you can always start from there.…Now when you've got a Running Container,…you make changes to that container, you put files there,…it's very useful, when you want to be able…to actually save those.…The next step in the Docker flow is a Stopped Container.…So the container that's running is alive,…it has a process in it.…
When that process exits, the container is still there,…so that file I created a moment ago,…when I exited that container, it's still there,…I can go back and find it, it didn't get deleted,…it's just that it's currently in a Stopped Container.…So I can look at the most recently exited container…with the docker ps command,…just like I do when I want to look…at the Running Containers, except Stopped Containers…don't show up by default.…
To see Stopped Containers, I can specify the -a argument…
- Installing Docker on Mac, Windows, and Linux
- Understanding the Docker flow
- Running processes in containers
- Managing, networking, and linking containers
- Working with Docker images, volumes, and registries
- Building Dockerfiles
- Managing networking and namespaces with Docker
- Building entire systems with Docker
Skill Level Beginner
Docker Essential Training: 2 Orchestrationwith David Davis1h 4m Intermediate
DevOps Foundations: Containerswith David Linthicum1h 16m Appropriate for all
What is Docker?2m 51s
1. Installing Docker
2. Using Docker
3. Building Docker Images
4. Under the Hood
5. Orchestration: Building Systems with Docker
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