Initial commit

backend/src/app.ts

@@ -0,0 +1,26 @@
+import express, { NextFunction, Request, Response } from 'express';
+import router from './router';
+
+const { PORT = 3000 } = process.env;
+
+const app = express();
+
+app.use('/api', router.router);
+
+const frontendRoot = '/opt/frontend/dist';
+app.use(express.static(frontendRoot));
+app.use((req, res) => res.sendFile(`${frontendRoot}/index.html`));
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+app.use((err, req: Request, res: Response, next: NextFunction) => {
+  console.log('err', err);
+  
+  // 500
+  res.status(500).json({ msg: 'an error occurred' });
+});
+
+app.listen(PORT, () => {
+  console.log(
+    `application is listening on port ${PORT}`,
+  );
+});