What is Docker

◯ What is Docker?

It is possible to easily implement this series of flow of building an environment inside a container using a technology called a container and developing inside the container.

◯ Commands related to Docker

①docker login Commands used to log in to Docker

②docker pull [image] Command used when pulling docker-image to Host

③docker images Command used to display a list of docker-images on the Host

④docker run [image] Command to use when creating a container from docker-image on Host

⑤docker ps -a Command used to display a list of containers

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