Docker Commands

docker_cheat_sheet.sh

# list images
docker images

# list only image ids
docker images -q

# build an image from a dockerfile with a tag name
docker build -t image_tag_name

# list running containers
docker ps

# list all containers (running or not running)
docker ps -a

# rename container
docker rename old_name new_name

# docker delete image
docker rmi <image-id>

# docker delete container
docker rm <container-id>



# run a container from an image (image_name can be repo_name/tag_name)
docker run -it --name --init <container_name> <image_name> /bin/bash

# run a container while mounting pwd on host (must be under ~) to the /var/shared directory in container
docker run -v $(pwd):/var/shared --name <container_name> --int -it <image_name> /bin/bash

# run a container from an image and delete it when done
docker run -it --init --rm <image_name> /bin/bash

# start an existing container and log in
docker start -ai <container-name>

# log into running container from another shell
docker exec -it <container-name> /bin/bash

# create an image from a container and give it a name
docker commit <image_name>
docker tag <image_id> <new_image_name>

# copy files to and from docker container
docker cp <container>:<path>  <localpath>

# delete volumes
docker volume ls -qf dangling=true | xargs -r docker volume rm