mv app to backend

backend/src/app.ts

@@ -0,0 +1,34 @@
+import express, { NextFunction, Request, Response } from 'express';
+import ejsMate from 'ejs-mate';
+import router from './router';
+
+const { PORT = 3000 } = process.env;
+
+const app = express();
+
+app.engine('ejs', ejsMate);
+app.set('views', '/opt/app/views');
+app.set('view engine', 'ejs');
+
+app.use(router.router);
+
+app.use('/dist/bootstrap', express.static('/opt/app/public'));
+
+app.use(express.static('/opt/app/public'));
+
+app.use((req: Request, res: Response, next: NextFunction) => {
+  // 404
+  return next(new Error('404'));
+});
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+app.use((err, req: Request, res: Response, next: NextFunction) => {
+  // 404
+  res.render('error');
+});
+
+app.listen(PORT, () => {
+  console.log(
+    `application is listening on port ${PORT}`,
+  );
+});

backend/src/controllers/foo.controller.ts

@@ -0,0 +1,14 @@
+import { Request, Response } from 'express';
+import fooService from '../services/foo.service';
+
+function getFoo(req: Request, res: Response) {
+  res.json({
+    foo: true,
+    msg: fooService.getFooDetails(),
+    data: req.body,
+  });
+}
+
+export default {
+  getFoo,
+};

backend/src/router.ts

@@ -0,0 +1,8 @@
+import { Router } from 'express';
+import fooController from './controllers/foo.controller';
+
+const router = Router();
+
+router.get('/foo', fooController.getFoo);
+
+export default { router };

backend/src/services/foo.service.ts

@@ -0,0 +1,7 @@
+function getFooDetails() {
+  return 'foo';
+}
+
+export default {
+  getFooDetails,
+};