Question 38000 in Ubuntu Question posted in
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Docker install nvm – Ubuntu

I’m trying to install nvm like this:

FROM maven:3-jdk-8

RUN rm /bin/sh && ln -s /bin/bash /bin/sh

RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

RUN source ~/.nvm/nvm.sh

RUN nvm install 16

RUN nvm use 16

However I keep getting this error:

 => [internal] load build definition from Dockerfile                                                                                                                  0.0s
 => => transferring dockerfile: 253B                                                                                                                                  0.0s
 => [internal] load .dockerignore                                                                                                                                     0.0s
 => => transferring context: 2B                                                                                                                                       0.0s
 => [internal] load metadata for docker.io/library/maven:3-jdk-8                                                                                                      1.1s
 => [1/6] FROM docker.io/library/maven:3-jdk-8@sha256:ff18d86faefa15d1445d0fa4874408cc96dec068eb3487a0fc6d07f359a24607                                                0.0s
 => CACHED [2/6] RUN rm /bin/sh && ln -s /bin/bash /bin/sh                                                                                                            0.0s
 => CACHED [3/6] RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash                                                                  0.0s
 => CACHED [4/6] RUN source ~/.nvm/nvm.sh                                                                                                                             0.0s
 => ERROR [5/6] RUN nvm install 16                                                                                                                                    0.1s
------
 > [5/6] RUN nvm install 16:
#7 0.128 /bin/sh: line 1: nvm: command not found
------
executor failed running [/bin/sh -c nvm install 16]: exit code: 127

I would expect NVM is accessible because I run this line:

RUN source ~/.nvm/nvm.sh

What am I doing wrong here? When I run this manually in my docker container it works.

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2

Answers


  1. 0

    Each RUN statement is executed in its own shell, therefore the source command does not affect the subsequent shells.

    To fix it, use a single RUN command:

    FROM maven:3-jdk-8

RUN rm /bin/sh && ln -s /bin/bash /bin/sh

RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

RUN source ~/.nvm/nvm.sh && nvm install 16 && nvm use 16
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  2. 0

    The source command will not have effect on the next RUN command.
    You need to have all the nvm commands in the same layer like this:

    RUN source ~/.nvm/nvm.sh && nvm install 16 && nvm use 16

    Or, if you would like to do it manually, the source command should be adding env variables (you can view them using the env command).

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