cannot mount volume over existing file

Jason Chang

2017-10-27

docker

问题描述：
cannot mount volume over existing file, file exists /var/lib/docker/overlay2

修改前：/etc/ioa

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ENV CONFIG_LOCATION /etc/ioa
COPY ./config.yml ${CONFIG_LOCATION}
VOLUME ${CONFIG_LOCATION}

修改后: /etc/ioa/

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ENV CONFIG_LOCATION /etc/ioa/
COPY ./config.yml ${CONFIG_LOCATION}
VOLUME ${CONFIG_LOCATION}