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The Docker Image etiv/nvm-base Dockerfile

This repository contains Dockerfile of nvm (Node.js Version Manager) and a simple node-project for running / testing apps on versions of Node.js.

Dependencies

Installation

  • Install Docker.
  • You can choose by your situation:

    • If you already have ubuntu:latest on your system, just run:

      git clone https://github.com/ETiV/docker-nvm-base.git && \
      cd docker-nvm-base && \
      docker build -t etiv/nvm-base .\
      
    • If you're new to Docker, and don't have a ubuntu:latest image. Directly Install from Docker Hub:

      docker pull etiv/nvm-base
      

Notice the Environment Variable

etiv/nvm-base uses an environment variable NODE_VER to specify which version of Node.js to be used.

Currently, NODE_VER is set to 0.10 by default.

So the nvm will automaticlly download and install the latest version in 0.10 (Currently 0.10.30) of Node.js when startup the container.

To manually specify which version of Node.js to be used, assign NODE_VER to the value you desired in command line.

i.e. docker run -i -t -e NODE_VER=0.11 etiv/nvm-base will download and use the latest Node.js 0.11.x.

Usage

- Start a bash

The container will run bash as the default command (CMD).

So just run:

docker run -ti etiv/nvm-base

This will download and use the latest version of 0.10 of Node.js, and bring you to the bash shell with the installed Node.js.

- Run any other commands

The container will receive commands as a string, which will passed to /bin/bash --login -i -c (ENTRYPOINT).

So the last argument of the command docker run [anything] etiv/nvm-base 'last argument' MUST BE A QUOTED STRING.

Otherwise, the command will not be executed correctly.

For examples:

  • Installing uglify-js to global environment:

    docker run -d etiv/nvm-base 'npm install -g uglify-js'

  • Running Node.js application in directory:

    docker run -d etiv/nvm-base 'cd /root/node-project/ ; npm install && node app.js'

    OR

    docker run -d -w /node-project etiv/nvm-base 'npm install && node app.js'

A Tiny Project For Testing

There is a simple Node.js project called node-project comes with git source, for testing purpose.

To use it, cd docker-nvm-base, then run the following command:

docker logs -f $(\
  docker run -d \
  -e NODE_VER=0.10.28 \
  -p 3000:3000 \
  -v `pwd`/node-project:/node-project \
  -w /node-project \
  etiv/nvm-base 'npm install && node app.js'\
)
This command will take port `3000` for listening.
So make sure there is not any other applications has listened on this port.
Or you should change the first `3000` to any other value between 1024 and 65535.

You'll see the outputs like this:

bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shell
stdin: is not a tty
Installing node@0.10.28, this may take several minutes...
######################################################################## 100.0%
Now using node v0.10.28
default -> 0.10.28 (-> v0.10.28)
Install node@0.10.28 finished.
npm WARN package.json node-project@0.0.0 No repository field.
npm WARN package.json node-project@0.0.0 No README data
Server Started ... Access through: http://127.0.0.1:3000/
Node.js Version: v0.10.28
0 'Server is alive ... to test, run `curl http://127.1:3000/`'
... ...

Now you can curl http://127.0.0.1:3000/ to access the application.

You'll get "Hello World" returned.

If you have changed the port `3000` in the above command, use the new port instead of `3000` here.

You may also have noticed the line Node.js Version: v0.10.28.

Here the version is speicfied by docker run argument -e NODE_VER=0.10.28.

EOF, Thanks For Reading

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