cache response for an hour

src/index.ts

@@ -8,7 +8,7 @@ type Env = {
 export { RulesCache };
 
 export default {
-	async fetch(request, env, _ctx): Promise<Response> {
+	async fetch(request, env, ctx): Promise<Response> {
 		const url = new URL(request.url);
 		const targetUrl = url.searchParams.get("url");
 
@@ -16,17 +16,29 @@ export default {
 			return new Response("Missing url parameter", { status: 400 });
 		}
 
+		const cache = caches.default;
+		const cacheKey = new Request(`${url.origin}/cache/${encodeURIComponent(targetUrl)}`);
+
+		let response = await cache.match(cacheKey);
+		if (response) {
+			return response;
+		}
+
 		try {
 			const rulesStub = env.RULES_CACHE.getByName("rules");
 			const rules = await rulesStub.getRules();
 
 			const cleanedUrl = await cleanUrl(targetUrl, rules);
-			return new Response(cleanedUrl, {
+			response = new Response(cleanedUrl, {
 				headers: {
 					"Content-Type": "text/plain",
 					"Access-Control-Allow-Origin": "*",
+					"Cache-Control": "public, max-age=3600",
 				},
 			});
+
+			ctx.waitUntil(cache.put(cacheKey, response.clone()));
+			return response;
 		} catch (error) {
 			return new Response(`Error processing URL: ${error instanceof Error ? error.message : "Unknown error"}`, {
 				status: 500,