initial commit on backend

backend/app.js

+const express = require("express");
+const app = express();
+const bodyParser = require("body-parser");
+const cors = require('cors');
+require("./src/db/conn");
+require("./src/models/User.model");
+require("./src/models/Results.model");
+
+const port = process.env.PORT || 3000;
+
+app.use(cors());
+app.use(bodyParser.json({limit: '50mb'}));
+app.use(bodyParser.urlencoded({
+    limit: '50mb',
+    extended: true,
+    parameterLimit: 1000000
+}));
+
+app.use(express.static(__dirname + '/src/uploads'));
+const routes = require("./src/api/Registration.api");
+
+app.use('/', routes)
+
+
+app.listen(port, () => {
+    console.log(`server is running at port no ${port}`);
+})
\ No newline at end of file

backend/package.json

+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "af group project back end ",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "nodemon app.js"
+  },
+  "author": "Sandunika Wasala",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "config": "^3.3.6",
+    "cors": "^2.8.5",
+    "csv-writer": "^1.6.0",
+    "dotenv": "^10.0.0",
+    "express": "^4.17.1",
+    "json2csv": "^5.0.7",
+    "mongoose": "^5.12.14",
+    "multer": "^1.4.2",
+    "nodemon": "^2.0.15"
+  }
+}