Create not-found middleware

src/app.ts

@@ -2,7 +2,7 @@ import { config } from 'dotenv';
 import express, { Application } from 'express';
 import swaggerUi from "swagger-ui-express";
 import swaggerDocument from "./docs/swagger.json";
-import v1Router from './v1/routes';
+import v1Router from "./v1/routes";
 
 config();
 

src/v1/controllers/index.ts

@@ -1,7 +1,9 @@
 import { healthcheck } from "./healthcheck";
 import { ProblemController } from "./problems";
+import { notFound } from "./not-found";
 
 export {
   healthcheck,
-  ProblemController
+  ProblemController,
+  notFound
 };

src/v1/controllers/not-found.ts

@@ -0,0 +1,9 @@
+import { NextFunction, Request, Response } from "express";
+
+export const notFound = (req: Request, res: Response, next: NextFunction) : void => {
+  res.status(404).json({
+    message: "Resource not found"
+  });
+
+  next();
+}

src/v1/routes/index.ts

@@ -1,10 +1,12 @@
 import express, { Router } from "express";
+import { notFound } from "../controllers";
 import healthcheckRouter from "./healthcheck";
 import problemsRouter from "./problems";
 
 const router : Router = express.Router();
 
 router.use("/healthcheck", healthcheckRouter);
 router.use("/problems", problemsRouter);
+router.use("*", notFound);
 
 export default router;