Docker
Learning, please wait....
Last updated
Learning, please wait....
Last updated
docs.docker.com
image - the application we want to run
container - an instance of that image running as a process
registry - image registry, hub.docker.com by default
docker version - get version, make sure it works
docker info - extended info
old: docker <command> (options)
new: docker <command> <sub-command> (options)
docker container --help get full help for command
docker container ls - list running containers
docker container ls -a - list containers (even stopped)
docker container stop $CONTAINER_ID - stop a running container, can use the first few chars of the container ID or the container name
docker container logs $CONTAINER_ID - get logs for container
docker container rm $CONTAINER_ID - remove the container entirely. Use multipe args to remove multiple containers rm 0e3 49f d94 …
docker container rm -f $CONTAINER_ID - force rm
docker container top $CONTAINER_ID - run a basic top in the container
docker start $CONTAINER_ID - restart a stopped container
—detach or -d to run a container in the background
—publish or -p to open ports
If you do not add -—publish it will not forward ports
docker container inspect mysql - outputs JSON describing how container was started
docker container stats - display CPU/MEM/NET info for all containers (can specify container name)
docker container run -it --name ubuntu ubuntu - run with -it = interactive shell with TTY (takes you straight to the container’s shell)
docker container start -ai ubuntu - ???
docker container exec - exec some thing in the container
docker container exec -it mysql bash - exec bash in the mysql container (that’s already running)
docker pull alpine - pull images down
docker container run -it alpine bash - alpine doesn’t have bash, error
docker container run -it alpine sh - but sh is
docker container port $NAME - show port mappings
docker container inspect --format "{{ .NetworkSettings.IPAddress }}" webhost - use —format with some funk to get inspect properties
TODO: ALIAS THIS!
docker run --publish 80:80 nginx - start an nginx container in the foreground
BACKGROUND: docker run --publish 80:80 —detach nginx - in the background
docker container run --publish 80:80 --detach --name webhost nginx - assign a custom name instead of random name
~ ❯❯❯ docker container run --publish 3306:3306 -d -e MYSQL_RANDOM_ROOT_PASSWORD=yes mysql docker container logs $CONTAINER_ID to get root password
docker run -it —rm —privileged —pid=host justincormack/nsenter1