Create a test backend server with ExpressJs

software/backend/routes/routes.ts

@@ -0,0 +1,11 @@
+import express, { Request, Response, NextFunction } from 'express'
+
+export const routes = app => {
+  var router = express.Router()
+
+  router.get("/", (req: Request, res: Response, next: NextFunction) => {
+    res.send("Hello World from the backend!")
+  })
+
+  app.use("/api/", router)
+}

software/backend/server.ts

@@ -0,0 +1,21 @@
+import express from 'express'
+import cors from 'cors'
+import bodyParser from 'body-parser'
+import { routes } from './routes/routes'
+
+const app = express()
+const port = 3000
+
+// Same origin access
+app.use(cors())
+
+// Process JSON parameter
+app.use(bodyParser.json())
+
+// Use the app routes
+routes(app)
+
+// Start server
+app.listen(port, () => {
+  console.log(`Server is running and listening to port ${port}`)
+})