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Can-not-run-downloaded-binary-inside-alpine-linux-because-of-missing-shared-libs.md

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  • Date : 2019-02-02
  • Tags : #docker #alpine #ldd

Can not run downloaded binary inside alpine linux because of missing shared libs

Alpine linux becomes the most base image for docker images because it's lightweight and handful package manager apk. Sometimes, you create an image that downloads the binary file but can not execute it. It shows something like this:

/entrypoint.sh: line ***: [your binary]: not found

The problem is your binary built within shared libraries, so it can't run without shared libraries dependencies. To findout which libraries is missing, use this

$ ldd [your binary path]

This is sample result

/usr/local/bin # ldd hugo
        /lib64/ld-linux-x86-64.so.2 (0x7fa852f2a000)
        libpthread.so.0 => /lib64/ld-linux-x86-64.so.2 (0x7fa852f2a000)
Error loading shared library libstdc++.so.6: No such file or directory (needed by hugo)
        libdl.so.2 => /lib64/ld-linux-x86-64.so.2 (0x7fa852f2a000)
        libm.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fa852f2a000)
Error loading shared library libgcc_s.so.1: No such file or directory (needed by hugo)
        libc.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fa852f2a000)

So we need to install libstdc++ and libc6-compat before run the binary

RUN apk add --no-cache libstdc++ libc6-compat