Update Cache Control (#6874)

Author: JKarlavige

website/api/get-discourse-comments.js

@@ -9,10 +9,12 @@ const PREVIEW_ENV = 'deploy-preview-'
 // Set API endpoint and headers
 let discourse_endpoint = `https://discourse.getdbt.com`
 let headers = {
-  'Accept': 'application/json',
-  'Api-Key': DISCOURSE_DEVBLOG_API_KEY,
-  'Api-Username': DISCOURSE_USER_SYSTEM,
-}    
+  Accept: "application/json",
+  "Api-Key": DISCOURSE_DEVBLOG_API_KEY,
+  "Api-Username": DISCOURSE_USER_SYSTEM,
+  // Cache comments in the browser (max-age) & CDN (s-maxage) for 1 day
+  "Cache-Control": "max-age=86400, s-maxage=86400 stale-while-revalidate",
+};    
 
 async function getDiscourseComments(request, response) {
   let topicId, comments, DISCOURSE_TOPIC_ID;

website/api/get-discourse-topics.js

@@ -9,10 +9,12 @@ async function getDiscourseTopics(request, response) {
     // Set API endpoint and headers
     let discourse_endpoint = `https://discourse.getdbt.com`
     let headers = {
-      'Accept': 'application/json',
-      'Api-Key': DISCOURSE_API_KEY,
-      'Api-Username': DISCOURSE_USER,
-    }
+      Accept: "application/json",
+      "Api-Key": DISCOURSE_API_KEY,
+      "Api-Username": DISCOURSE_USER,
+      // Cache topics in the browser (max-age) & CDN (s-maxage) for 1 day
+      "Cache-Control": "max-age=86400, s-maxage=86400 stale-while-revalidate",
+    };
 
     const query = buildQueryString(body)
     if(!query) throw new Error('Unable to build query string.')

website/vercel.json

@@ -1,6 +1,42 @@
 {
   "cleanUrls": true,
   "trailingSlash": false,
+  "headers": [
+    {
+      "source": "/(.*)",
+      "headers": [
+        {
+          "key": "X-Content-Type-Options",
+          "value": "nosniff"
+        },
+        {
+          "key": "X-Frame-Options",
+          "value": "DENY"
+        },
+        {
+          "key": "Content-Security-Policy",
+          "value": "img-src 'self' data: https:; frame-ancestors 'self' https://*.mutinyhq.com https://*.getdbt.com"
+        },
+        {
+          "key": "Strict-Transport-Security",
+          "value": "max-age=63072000; includeSubDomains; preload"
+        },
+        {
+          "key": "Cache-Control",
+          "value": "max-age=0, s-maxage=86400 stale-while-revalidate"
+        }
+      ]
+    },
+    {
+      "source": "/:path*.(jpg|jpeg|png|svg|gif|webp)",
+      "headers": [
+        {
+          "key": "Cache-Control",
+          "value": "max-age=2678400, s-maxage=604800 stale-while-revalidate"
+        }
+      ]
+    }
+  ],
   "redirects": [
       {
       "source": "/blog/dbt-cloud-api-postman-collection-announcement",
@@ -3671,28 +3707,5 @@
       "destination": "https://www.getdbt.com/blog",
       "permanent": true
     }
-  ],
-  "headers": [
-    {
-      "source": "/(.*)",
-      "headers": [
-        {
-          "key": "X-Content-Type-Options",
-          "value": "nosniff"
-        },
-        {
-          "key": "X-Frame-Options",
-          "value": "DENY"
-        },
-        {
-          "key": "Content-Security-Policy",
-          "value": "img-src 'self' data: https:; frame-ancestors 'self' https://*.mutinyhq.com https://*.getdbt.com"
-        },
-        {
-          "key": "Strict-Transport-Security",
-          "value": "max-age=63072000; includeSubDomains; preload"
-        }
-      ]
-    }
   ]
 }