Upload files to 'MyServer'

MyServer/Dockerfile

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+FROM node:latest
+WORKDIR /app
+COPY package.json /app
+RUN npm install
+COPY server.js /app
+CMD ["npm","start"]

MyServer/package.json

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+{
+    "name": "myserver",
+    "version": "1.0.0",
+    "description": "",
+    "main": "server.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1",
+        "start": "node server.js"
+    },
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "express": "^4.17.1",
+        "fs": "0.0.1-security",
+        "nodemon": "^2.0.7",
+        "socket.io": "^3.0.5"
+    }
+}

MyServer/server.js

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+ //Required modules
+ const express = require('express');
+ const fs = require('fs');
+
+ //App setup
+
+ //creating an instance of express server
+ const app = express();
+
+ //server port
+ const port = 4000;
+
+ //http.createServer() method turns your computer into an HTTP server.
+ const http = require('http').createServer();
+
+ //(http.Server) the server bind to...
+ const io = require('socket.io')(http);
+
+ //my rooms
+ const measurementRooms = ["temp_Values", "humidity_Values", "airspeed_Values"];
+
+ //Server listen to...
+ http.listen(port, () => {
+     console.log("Server is listening on localhost: " + port);
+ });
+
+ //Waitting for connections...
+ io.of("/atticaRegion").on("connection", (socket) => {
+
+     //Trigger the "join_Temp_room" event to join a room
+     socket.on("join_Temp_room", (room) => {
+
+         //Checking the room integrity..
+         if (measurementRooms.includes(room)) {
+             socket.join(room);
+             return socket.emit("success", "You have successfuly joined this room!\n");
+         } else {
+             return socket.emit("err", "Error:No room named " + room);
+         }
+     });
+
+     //Trigger the "handleData" event to manipulate the recieved data
+     socket.on("handleData", (data) => {
+
+         //Convert from JSON to javascript object
+         var sensordata = JSON.parse(data);
+         console.log(`The sensor ${sensordata.sensorName} sends the value ${sensordata.temperature}`);
+
+         //Append the recieved data into a .txt file...
+         fs.appendFile('tempValues.txt', `Sensor name: ${sensordata.sensorName}, Sensor value:${sensordata.temperature}\n`, function(err) {
+             if (err) return console.log(err);
+             console.log('Success write to file tempValues.txt\n');
+         });
+     })
+ });