Docker is a containerization platform that allows developers to package an application with all of its dependencies into a standardized unit for software development.

Docker commands are the set of instructions that Docker uses to interact with the Docker daemon. These commands are used to create, start, stop, and remove containers.

Docker commands

  • Find the docker and docker-compose version Sometimes we need to find the docker and docker-compose versions.
docker version

Find the docker-compose command version

docker-compose version
  • docker build

Generate an image container from a Dockerfile. Dockerfile is a text file that contains set of instructions with all dependenent commands.

  • docker cp command

It is a copy command in Docker.

It copies the files and folders between local system to/from container.

  • docker commit command

Commits changes to a container’s filesystem and creates a new image from those changes

  • docker create create command allow you to create a docker image

  • docker diff diff allow you to view the difference of files and folder

  • docker exec exec command executes the commands in container