added backend implementation

backend/index.js

@@ -0,0 +1,54 @@
+import serversideConfig from '../serversideConfig.js';
+
+//import express
+import express from "express";
+
+//import cors
+import cors from "cors";
+
+//import https
+import https from "https";
+
+//import fs
+import fs from "fs";
+
+//import routes
+import Router from "./routes/routes.js";
+
+//init express
+const app = express();
+
+//setup cors
+const corsOptions = {
+  origin: 'https://localhost:4173',
+  headers: 'authorization, content-type',
+  methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
+  credentials: true,
+  optionsSuccessStatus: 204,
+};
+
+//use cors
+app.use(cors(corsOptions));
+
+//use express json
+app.use(express.json());
+
+//use router
+app.use(Router);
+
+//setup https
+var privateKey = fs.readFileSync('../certs/localhost.key');
+var certificate = fs.readFileSync('../certs/localhost.crt');
+
+var server = https.createServer({
+  key: privateKey,
+  cert: certificate
+}, app);
+
+// const PORT = process.env.PORT || 5172;
+const PORT = process.env.PORT || config.port;
+
+//PORT
+server.listen(PORT, () => {
+  console.log(`Server running successfully (port ${PORT})`);
+});