update server.js

server/server.js

@@ -24,7 +24,10 @@ app.use(cors());
 
 // app.use('/api', authRouter)
 // app.use('/api', categoryRouter)
-readdirSync("./routes").map((c) => app.use("/api", require("./routes/" + c)));
+const path = require("path");
+readdirSync(path.join(__dirname, "routes")).map((c) =>
+  app.use("/api", require(path.join(__dirname, "routes", c)))
+);
 
 app.listen(3000, () => console.log("server is running on port 3000"));