This post will tell you how to install REST API Server on pcDuino8 Uno.

1. Synchronize time

sudo ntpdate us.pool.ntp.org

2. Install Node and npm

Set up the apt-get repo source.

curl -sL https://deb.nodesource.com/setup | sudo -E bash -
sudo apt-get install -y nodejs
sudo ln -s /usr/bin/nodejs /usr/bin/node
sudo apt-get install -y npm
echo "export NODE_PATH=<your local node_modules file path>" >> ~/.bashrc
source ~/.bashrc

Note: Global node_modules file path shuold be /usr/lib/node_modules, or /usr/local/lib/node_moduels/

3. Install required node modules with npm

sudo npm install hapi -g

4. Write JavaScript code

vim index.js

index.js: REST API Server simple demo

var Hapi = require('hapi');

var server = new Hapi.Server();
var port = Number(process.env.PORT || 4444);

server.connection({ port: port, routes: { cors: true } });

server.route([
  {
    method: 'POST',
    path: '/device/control',
    handler: function (request, reply) {
      reply("Hi");
     console.log(request.payload.message);
    }
  }
]);

server.start();

5. Local test

Open a terminal to run server:

node index.js

Open another terminal to post a request:

curl -X POST -d 'message=hello' -i http://localhost:4444/device/control