hristo-vrigazov / docker-cheatsheet

Quick docker commands

Quick commands for docker

• Run bash inside a container

docker run -it tsutomu7/python-opencv bash

• Remove all docker containers

docker rm $(docker ps -a -q)

• Stop all docker containers

docker stop $(docker ps -a -q)

• Connect docker container to your display

docker run -it --env="DISPLAY" --env="QT_X11_NO_MITSHM=1" --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw" tsutomu7/python-opencv

• Connect docker container port to your port

docker run -it -p 1880:1880 --name mynodered nodered/node-red-docker

• Copy current folder into docker container's home folder

docker cp . 61e6ed03aa66:/home/scientist/.

• Run a container connected to your display with given name

xhost local:root
docker run -it --name opencv --env="DISPLAY" --env="QT_X11_NO_MITSHM=1" --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw"  tsutomu7/python-opencv

• Find the id of a container by name

sudo docker ps -aqf "name=opencv"

• List all images

docker images

• Remove all docker images

docker rmi -f $(docker images -a -q)

• Remove a docker image

docker rmi ubuntu

• Build a docker image by a Dockerfile

docker build -t example .

• Run an image

docker run example

• Tag an existing local image

docker tag e379ad0b10e0 hvrigazov/example:latest

• Steps needed to create a docker image and push it to docker hub

1. Go to docker hub site and create the repository, say 'hvrigazov/example'
2. Create a Dockerfile locally and build it
3. See the id of the image:

docker images

4. Tag it:

docker tag e379ad0b10e0 hvrigazov/example:latest

5. Login:

docker login

6. Push

docker push hvrigazov/example