How to solve the problem of docker mounting directory permissions

In Docker, the permission problem of the mounted directory can usually be solved by the following methods:

1. Add permission-related options when specifying the mount directory using the -v parameter. You can specify the permissions of the mounted directory by adding :ro or :rw after the mounted directory, indicating read-only and read-write permissions respectively. For example:

docker run -v /host/path:/container/path:ro image_name

2. Define the USER directive in the Dockerfile to specify the user running in the container to ensure that operations inside the container comply with permission requirements. For example:

FROM image_name

# Create a new user
RUN useradd -ms /bin/bash newuser

# Set the user to run the container
USER newuser

CMD ["/bin/bash"]

3. When mounting a directory, you can set the permissions of the directory to meet the requirements. Set the permissions of the directory before mounting it into the container. For example:

chmod -R 777 /host/path
docker run -v /host/path:/container/path image_name

The above method can solve the problem of Docker mounting directory permissions and ensure that the mounted directory can be read and written in the container as expected.

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