memory: add memory example

Author: RafaelGSS

2-memory/benchmark.js

@@ -0,0 +1,14 @@
+'use strict'
+
+const autocannon = require('autocannon');
+
+async function main () {
+  const result = await autocannon({
+    url: 'http://localhost:3000',
+    connections: 10,
+    duration: 120,
+  })
+  console.log(autocannon.printResult(result));
+}
+
+main();

2-memory/index.js

@@ -0,0 +1,36 @@
+'use strict';
+
+const express = require('express');
+const pkgJson = require('../package.json');
+
+if (!process.env.NSOLID_SAAS && !hasPkgJsonConf()) {
+  console.error('You forgot to pass NSOLID_SAAS environment variable.');
+  process.exit(1);
+}
+
+const app = express();
+
+app.get('/', (req, res) => {
+  res.send({ name: name() });
+});
+
+app.listen(3000, () => {
+  console.log('Server is running on port 3000');
+  console.info('🛈 In a separate terminal run: node benchmark.js');
+});
+
+const namesGenerator = require('docker-namesgenerator');
+const names = {};
+
+function name () {
+  let result = namesGenerator();
+  if (names[result]) {
+    result += names[result]++;
+  }
+  names[result] = 1;
+  return result;
+}
+
+function hasPkgJsonConf() {
+  return pkgJson.nsolid && pkgJson.nsolid.saas !== '';
+}