var server = require ('http').Server();
var io = require ('socket.io')(server);
var Redis = require ('ioredis');
var redis = new Redis();


redis.subscribe('chat');

redis.on('message', (channel, message) => {
  message = JSON.parse(message);

  // channel:event:to_id:to_type - message.data
  io.emit(channel + ':' + message.event + ':' + message.to_id + ':' + message.to_type, message.data);
  console.log(message +' '+ channel);
});

server.listen('6001');

var io = require('socket.io-client')
var socket = io.connect('http://localhost:6001', {reconnect: true});
...
mounted() {
    console.log('check 1', socket.connected);
    socket.on('connect', function() {
      console.log('check 2', socket.connected);
    });

    socket.on('chat:newMessage:'+this.fromid+':'+this.fromtype, (data) => {
      console.log('new message');
      var message = {
        'msg': data.message,
        'type': 'received',
        'color': 'green',
        'pos': 'justify-content-start',
      }
      this.messages.push(message);
    });
}

upstream node1 {
    server 127.0.0.1:6001;
}
server {
    listen 80;
    server_name localhost;

    location / {
        #Configure proxy to pass data to upstream node1
        proxy_pass http://node1/socket.io/;
        #HTTP version 1.1 is needed for sockets
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}