add caching to improve load time

harvardartmuseums · Jan 3, 2023 · 77c86ac · 77c86ac
1 parent 8595368
commit 77c86ac
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Showing 3 changed files with 19 additions and 1 deletion.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -7,6 +7,7 @@
   },
   "dependencies": {
     "@observablehq/plot": "^0.6.1",
+    "apicache": "^1.6.3",
     "async": "^3.2.0",
     "cookie-parser": "~1.4.4",
     "d3": "^7.8.0",

diff --git a/routes/index.js b/routes/index.js
@@ -2,10 +2,13 @@ var express = require('express');
 var router = express.Router();
 var async = require('async');
 var stats = require('../modules/data');
+var apicache = require('apicache');
 const { stat } = require('fs');
 
 const APP_TITLE = 'HAM Dashboard';
 
+let cache = apicache.middleware;
+
 let data = {
   datafreshness: 0,
   dateoflastrefresh: "2000-01-01",
@@ -43,7 +46,7 @@ router.get('/:env', function(req, res, next) {
 });
 
 /* GET home page. */
-router.get('/', function(req, res, next) {
+router.get('/', cache('6 hours'), function(req, res, next) {
 
   async.parallel({
       objectStats: stats.getObjectStats,