feat: cache middleware

server/cache.js

@@ -0,0 +1,9 @@
+/**
+ * @returns {import('express').RequestHandler}
+ */
+export function cache() {
+    return function (_req, res, next) {
+        res.setHeader('Cache-Control', 'max-age=3600, no-cache');
+        next();
+    }
+}

server/main.js

@@ -1,16 +1,14 @@
 import express from 'express';
 import compression from 'compression'
+import { cache } from './cache.js';
 import { sitemap } from './sitemap.js'
 import { handler } from '../build/handler.js';
 
 async function main() {
     const app = express();
+    app.use(cache());
     app.use(compression());
     app.use(await sitemap());
-    app.use(function (_req, res, next) {
-        res.setHeader('Cache-Control', 'max-age=3600, no-cache');
-        next();
-    });
     app.use(handler);
     app.listen(3000, () => {
         console.log('Listening on http://0.0.0.0:3000');