doudou32012 2015-10-26 02:12
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去共享库供Docker容器共享

In Docker is there a way to put Go shared libraries that are needed by containerized go apps in a read only shared memory area? The objective is to allow many containers to the execute the same code reducing memory requirements in the containers. I expect a side effect would be smaller container images.

Where would these Go shared libraries be in memory?

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  • dsj8000 2015-10-26 06:07
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    The image size is less about memory and more about disk space.

    You could set those shared dynamic library in an image of their own, with a shared VOLUME path.

    You then docker create a container based on that image: that is a data volume container.

    Finally, you reuse that created container as many time as you want, with a --volumes-from=<yourCreatedContainer> for each go app docker run containers.

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