Slightly updated template

server/api/controllers/exampleControllers.js

@@ -0,0 +1,28 @@
+import mongoose from 'mongoose';
+import Example from '../models/Example.js';
+// more about response status codes   --->   https://restapitutorial.com/httpstatuscodes.html
+
+export async function getExamples(request, response, next) {
+  try {
+    const allExamples = await Example.find();
+    response.status(200).json(allExamples);
+  } catch (error) {
+    console.log(error);
+    response.status(500).json(error);
+  }
+}
+
+export const uploadExample = async (request, response, next) => {
+  try {
+    let newExample = new Example({
+      _id: mongoose.Types.ObjectId(), // _id is set by default, (you can remove this line)
+      name: request.body.fieldName, // fieldName === name used on client side
+    });
+
+    const savedExample = await newExample.save();
+    response.status(201).json(savedExample);
+  } catch (error) {
+    console.log(error);
+    response.status(500).json(error);
+  }
+};