node.js - docker's VOLUME isn't mounting host files -


i have docker file:

from node:0.10.38 volume /opt/build workdir /opt/build expose 8080 cmd node app.js

however, when got run container, error app.js not exist, /opt/build/app.js not exist. i've tried add , copy this, both can't find anything, , i'd use volume writes host's log in /opt/build. desired files in fact on host well. way, i'm using coreos host os.

as documented in http://docs.docker.com/userguide/dockervolumes/#volume --

the volume dockerfile command equivalent -v /opt/build ("adding data volume"), not equivalent -v /opt/build:/opt/build ("mount host directory data volume"); latter want here.


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