CLI

Question 1

What is the command signature for running contianers?

Answer 1

docker run [OPTIONS] IMAGE[:TAG] [COMMAND] [ARG...]

Question 2

What is the command to run a container in the background?

Answer 2

docker run -d=true imageName

or

docker run -d imageName

Question 3

What is the command to run a container with an interactive terminal?

Answer 3

docker run -it imageName

Question 4

What is the command to run a mongo container and use mongosh inside it?

Answer 4

docker run -d --name mongo-container mongo

docker exec -it mongo-container bash

mongosh

Question 5

What is the command to run a container with specific environment variables?

Answer 5

docker run -e "key=value" -e "foo=bar" imageName

Question 6

What is the command signature for building images?

Answer 6

docker build [OPTIONS] PATH

Question 7

What is the command to build an image from a git repository?

Answer 7

docker build gitUrl

Question 8

What command can be used to build an image with a tag that allows it to be pushed to a registry?

Answer 8

docker build -t username/repoName:tag .

Question 9

What command can be used to build a multi-architecture image and push the image to a registry?

Answer 9

docker buildx build --platform=linux/amd64,linux/arm64 --tag username/repository:version --push .

Question 10

What is the command signature for pulling images from a registry?

Answer 10

docker pull [OPTIONS] NAME:TAG

Question 11

What is the command signature for removing a container?

Answer 11

docker rm [OPTIONS] CONTAINER...

Question 12

What is the conmand signature for removing images?

Answer 12

docker rmi [OPTIONS] IMAGE...