Docker Basic Commands
1) Run
docker run nginx
It will try to find the image locally, if not found it will fetch from docker hub.
2) ps
docker ps
list all running containers
docker ps -a
all container, even they are stopped
3) stop
Stop running container
Container id
docker stop <name>
4) rm
remove permanently docker container which is not in use/stopped
docker rm <name>
5) images
List images present on host
docker images
6) rmi
Remove images from host
docker rmi nginx
make sure no container is running from that image. Delete all dependent containers to remove image.
7) pull
Download an image without running and stores it.
docker pull nginx
8) sleep
docker run ubuntu sleep 5
it wait for 5 sec before container stops
9) exec
execute a command
docker exec flamboyant_mcclintock cat /etc/hosts
10) Attach/Detach
when running an image it will run web app in attached mode on foreground
docker run ngnix
in background
docker run -d ngnix
docker attach number (back to fore ground)
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