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Node.js Hello World

Node.js Hello World on CentOS using docker.

Prerequisites

Getting Started

  • Start Ubuntu virtual machine using Vagrant (required to run docker):

    vagrant up
    
  • SSH into virtual machine:

    vagrant ssh
    
  • Install dependencies:

    cd /vagrant
    make install
    
  • Build docker image:

    make build
    # docker build -t gasi/centos-node-hello .
    
  • Run app:

    make run-container
    # docker run -p 49160:8080 -d gasi/centos-node-hello
    
  • Install curl:

    sudo apt-get install curl
    
  • Get mapped port (last column) using, e.g. 49160:

    docker ps
    
    > # Example
    > ID                  IMAGE                           COMMAND              CREATED             STATUS              PORTS
    > ecce33b30ebf        gasi/centos-node-hello:latest   node /src/index.js   10 seconds ago      Up 9 seconds        49160->8080
    
  • Test app using the port in previous step, e.g. 49160:

    curl localhost:<port>
    
    # Example
    # curl localhost:49163
    

    It should print Hello World to the console.

Acknowledgements

Many thanks to @shykes and @unclejack for their support on IRC as well as the
@dotCloud team for docker.

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qianqiaoneng
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