Docker commands

[mayurwaghmode]

Pull image
docker pull <imageName>

Build an image from a specified docker file:
docker build <path to the dockerfile>

List all images:
docker images

Remove an image:
docker rmi <imageID>

Save an image into a tar file:
docker save <imageName> > <tarFile>

Load an Image from a tar file:
docker load -i <tarFile>

[mayurwaghmode]

Related to containers:

List running containers:
docker ps

List all containers:
docker ps -a

Access a running container:
docker exec -it <container id> bash

Remove all stopped containers:
docker container prune

Delete all running and stopped containers:
docker container rm -f $(docker ps -aq)

Start a stopped container:
docker start <containerName>

Restart (stop + start) the container:
docker restart ID

Rename a container:
docker rename <containerName> <newContainerName>

Show all modified files in a container:
docker diff <containerName>

[mayurwaghmode]

Related to the system and volumes:

Clean the system (meta images and stopped containers):
docker system prune = docker container prune + docker image prune

Remove volumes:
docker volume prune

[mayurwaghmode]

Docker terms- https://medium.com/faun/top-10-docker-interview-questions-how-many-questions-can-you-answer-correctly-beginners-part-i-47b667bed137

[mayurwaghmode]

Publishing Container to Quay

Login to Quay.io

docker login quay.io (will now be prompted for username + password)

Get your containerID

docker ps -l

Tag that container by containerId

docker commit <containerId> quay.io/<myUsername>/<myRegistry>

Now publish it to Quay.io

docker push quay.io/<myUsername>/<myRegistry>