Memcached Question posted in
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Memcached – Docker not able to run nodejs npm

When I run below commands in a Dockerfile:

FROM ruby:2.3

RUN apt-get update

RUN apt-get install nodejs npm -y

RUN apt-get install vim -y

RUN apt-get install memcached -y

I get below error:

Sending build context to Docker daemon 29.74MB

Step 1/12 : FROM ruby:2.3

—> 09c6ceeef3bc

Step 2/12 : RUN apt-get update

—> Using cache

—> c41c3235c3ba

Step 3/12 : RUN apt-get install nodejs npm -y

—> Running in b0d407900cbd

Reading package lists…

Building dependency tree…

Reading state information…

**E: Unable to locate package npm

The command ‘/bin/sh -c apt-get install nodejs npm -y’ returned a
non-zero code: 100**

Please suggest a solution, thank you in advance.

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2

Answers


  1. 0

    Docker image ruby:2.3 is based on Debian 9 Stretch where is older nodejs package and no npm package.

    You can do it like this:

    RUN apt-get update; 
    apt-get install -y curl gnupg; 
    curl -sL https://deb.nodesource.com/setup_8.x | bash -; 
    apt-get install -y nodejs; 
    rm -rf /var/lib/apt/lists/*

    At first it installs curl to be able to download setup script and gnupg is needed by that setup script.

    You can read more on nodejs official web: https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions

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  2. 0

    First you will have to install nodesetup from https://deb.nodesource.com/setup_8.x
    add code like in your docker file after RUN apt-get update statement.

    RUN curl -sL https://deb.nodesource.com/setup_8.x | bash -;

    Note: You are creating unnecessarily layers in Docker Image with RUN statement you can combine those statements

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