erster Docker Container

erste Docker Instanz starten:

docker run hello-world

oder ¹⁾

docker container run docker.io/library/hello-world:latest

Image anzeigen:

docker image list

→ REPOSITORY TAG IMAGE ID CREATED SIZE

→ hello-world latest e2ac70e7319a 8 weeks ago 10.1kB

docker image inspect hello-world

podman image inspect docker.io/library/hello-world

Ubuntu Container

„offiziellen“ Ubuntu Container suchen:

docker search --filter=is-official=true ubuntu

→ weitere Images siehe https://hub.docker.com

Ubuntu im Terminal starten:

docker container run -it ubuntu bash

sort mit Ubuntu im Container:

docker container run -i --rm ubuntu sort < /etc/passwd

sort mit Alpine im Container:

docker container run -i --rm alpine sort < /etc/passwd

¹⁾

A string that is used to identify an image is called an image reference. An image reference has these parts: [host[:port]/][namespace/]repository[:tag][@digest] https://docs.docker.com/reference/cli/docker/image/tag/