docker cp copy files and enter the container

Enter the running container

# Enter the container and open a new terminal# docker exec -it container id /bin/bash
docker exec -it eaac94ef6926 /bin/bash

# Enter the original terminal of the container# docker attach container id
docker attach eaac94ef6926

Container file copy

# Copy files from the container to the Linux host# docker cp container id: path in container target host path docker cp eaac94ef6926:/home/test.txt /root/test.txt

# Copy files from the host to the container# docker cp file path container id: path in container docker cp test.txt eaac94ef6926:/home/test.txt

Official documentation: https://docs.docker.com/engine/reference/commandline/exec/

Supplement: docker cp: copy files from the container to the local

Example: Copy a test.db file from the container to the local data directory.

# Assume there is an image named kitty with a tag of 0.1, and create a container named koko# 1. create a container first
docker run -itd --name koko kitty:0.1 /bin/bash
# 2. copy test.db from koko tmp directory to local data directory.
docker cp koko:/tmp/test.db ./data/test.db
# 3. rm container koko
docker rm -f koko

Docker cp can also copy files from local to container:

# Taking the above code as an example, just reverse the container path and the local path.
docker cp ./data/test.db koko:/tmp/test.db

Supplement: Docker on Mac is mounted to local files for interoperability

Docker mounts to local files

docker run -itv /Users/XXXX/Sites/docker:/www images：12121 /bin/bash

The above is my personal experience. I hope it can give you a reference. I also hope that you will support 123WORDPRESS.COM. If there are any mistakes or incomplete considerations, please feel free to correct me.

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