Helpful Docker commands and code snippets

docker-commands.md

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Helpful Docker commands and code snippets

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CONTAINERS

#stop ALL containers
docker stop $(docker ps -a -q)
# remove ALL containers
docker rm -f $(docker ps -a -q) 
# can also filter
docker rm -f $(sudo docker ps --before="container_id_here" -q)

exec into container

docker exec -it $(docker container ls  | grep '<seach_term>' | awk '{print $1}') sh

exec into container on windows with Git Bash

winpty docker exec -it $(docker container ls  | grep '<seach_term>' | awk '{print $1}') sh

helps with error: 'unexpected end of JSON input'

# Remove all in one command with --force
docker rm -f $(docker ps -a -q)
# Go to container command line
docker exec -i -t "container_name_here" /bin/bash

to exit above use 'ctrl p', 'ctrl q' (don't exit or it will be in exited state)

# remove all exited containers
docker rm $(docker ps -q -f status=exited) 

Remove all in one command with --force

IMAGES

list images and containers

docker images | grep "search_term_here"

remove image(s) (must remove associated containers first)

docker rmi -f image_id_here # remove image(s)
docker rmi -f $(docker images -q) # remove ALL images!!!
docker rmi -f $(docker images | grep "^<none>" | awk '{print $3}') # remove all <none> images
docker rmi -f $(docker images | grep 'search_term_here' | awk '{print $1}') # i.e. 2 days ago
docker rmi -f $(docker images | grep 'search_1\|search_2' | awk '{print $1}')

DELETE BOTH IMAGES AND CONTAINERS

docker images && docker ps -a

stop and remove containers and associated images with common grep search term

docker ps -a --no-trunc  | grep "search_term_here" | awk "{print $1}" | xargs -r --no-run-if-empty docker stop && \
docker ps -a --no-trunc  | grep "search_term_here" | awk "{print $1}" | xargs -r --no-run-if-empty docker rm && \
docker images --no-trunc | grep "search_term_here" | awk "{print $3}" | xargs -r --no-run-if-empty docker rmi

stops only exited containers and delete only non-tagged images

docker ps --filter 'status=Exited' -a | xargs docker stop docker images --filter "dangling=true" -q | xargs docker rmi

DELETE NETWORKS AND VOLUMES

clean up orphaned volumes

docker volume rm $(docker volume ls -qf dangling=true)

clean up orphaned networks

docker network rm $(docker network ls -q)

NEW IMAGES/CONTAINERS

create new docker container, ie. ubuntu

docker pull ubuntu:latest # 1x pull down image
docker run -i -t ubuntu /bin/bash # drops you into new container as root

OTHER

install docker first using directions for installing latest version

https://docs.docker.com/installation/ubuntulinux/#ubuntu-trusty-1404-lts-64-bit

other great tips: http://www.centurylinklabs.com/15-quick-docker-tips/

fix fig / docker config: https://gist.github.com/RuslanHamidullin/94d95328a7360d843e52