docker instructions

Reference: "Docker ---- from entry to practice."

docker run

Create a container, and execute application code, if no local image file, the server will start to pull the image file.

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

E.g:
docker run -d -p 80:80 --name webserver nginx

• -d parameter represents the background daemon running container
• --name parameter indicates the name of the vessel, free to take
• -v shows a map and a host container to share files, directories container is Dockerfile VOLUME command with defined directory (mount directory)
• Table -p port and host port mapping container, the container port is used EXPOSE command binding Dockerfile
• Specifies a dummy terminal or terminals in the new container and then -t
• -i allows you to standard input (STDIN) in the container to interact
• -it start an interactive terminal
• -runtime runtime use for this container
• --rm exit the container Clear data

docker ps

View container running

docker exec

Login container, without creating a new container line if we want to enter commands running in the background of the container, simply enter the following example
docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
example:docker exec -it ecef8319d2c8 /bin/sh

• -d: Split mode: running in the background
• -i: Even without additional remains open STDIN
• -t: assign a pseudo-terminal

docker cp

Upload: current operating system to copy files to the vessel
docker cp [OPTIONS] SRC_PATH|- CONTAINER:DEST_PATH
examples:docker cp /root/test.txt ecef8319d2c8:/root/

• -L: maintain the link source targets

Download: Copy the file container to the operating system the current
docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH|-
example:docker cp ecef8319d2c8:/root/test.txt /root/

import hello

docker stop

docker stop $ CONTAINER_ID terminate a running container

docker images

View downloaded image

docker pull

A mirrored pull

docker attach

docker image pull hello-world