Docker

Question 1

Building a container from dockerfile

Answer 1

docker build -t dockerfile:version

Question 2

Show docker images

Answer 2

docker images

Question 3

Run a container with networking

Answer 3

docker run -d -p 5000:5000 dockerfile

Question 4

Stopping a container

Answer 4

docker stop

Question 5

Create a container from an image.

Answer 5

docker create

Question 6

Start an existing container.

Answer 6

docker start

Question 7

Create a new container and start it.

Answer 7

docker run

Question 8

List running containers.

Answer 8

docker ls

Question 9

Get detailed information regarding the container.

Answer 9

docker inspect

Question 10

Print run logs from the container’s execution.

Answer 10

docker logs

Question 11

Stop the main process in the container abruptly.

Answer 11

docker kill

Question 12

Delete a stopped container.

Answer 12

docker rm

Question 13

List running containers

Answer 13

docker ps

Question 14

List all past containers

Answer 14

docker ps -a

Question 15

Removing a container

Answer 15

docker container rm

Question 16

For pushing the container into docker hub

Answer 16

docker tag

Question 17

Push Docker to hub

Answer 17

docker push

Question 18

Removing the image locally

Answer 18

docker rmi -f

Question 19

Getting the image using docker ID

Answer 19

docker pull

Question 20

o Selects the base image used to start the build process.

Answer 20

o FROM

Question 21

o Lets you select a name and email address for the image creator.

Answer 21

o MAINTAINER

Question 22

o Creates image layers and executes commands within a container.

Answer 22

o RUN

Question 23

o Executes a single command within a container. Only one can exist in a Dockerfile.

Answer 23

o CMD

Question 24

o Sets the path where the command defined with CMD is to be executed.

Answer 24

o WORKDIR

Question 25

o Executes a default application every time a container is created with the image.

Answer 25

o ENTRYPOINT

Question 26

o Copies the files from locally, remotely via a URL into the container’s file system.

Answer 26

o ADD

Question 27

o Sets environment variables within the container.

Answer 27

o ENV

Question 28

o Associates a specific port for networking binding.

Answer 28

o EXPOSE

Question 29

o Sets the UID (or username) of the user that is to run the container.

Answer 29

o USER

Question 30

o Sets up a sharable directory that can be mapped to a local host directory

Answer 30

o VOLUME

Question 31

o Provides a label to identify the created Docker image.

Answer 31

o LABEL