Expose /metrics in hono

deno.lock

@@ -1418,6 +1418,7 @@
       "npm:nostr-relaypool2@0.6.34",
       "npm:nostr-tools@2.5.1",
       "npm:nostr-wasm@^0.1.0",
+      "npm:prom-client@^15.1.2",
       "npm:tldts@^6.0.14",
       "npm:tseep@^1.2.1",
       "npm:type-fest@^4.3.0",

src/app.ts

@@ -108,6 +108,7 @@ import {
   trendingStatusesController,
   trendingTagsController,
 } from '@/controllers/api/trends.ts';
+import { metricsController } from '@/controllers/metrics.ts';
 import { indexController } from '@/controllers/site.ts';
 import { nodeInfoController, nodeInfoSchemaController } from '@/controllers/well-known/nodeinfo.ts';
 import { nostrController } from '@/controllers/well-known/nostr.ts';
@@ -168,6 +169,8 @@ app.use(
   storeMiddleware,
 );
 
+app.get('/metrics', metricsController);
+
 app.get('/.well-known/nodeinfo', nodeInfoController);
 app.get('/.well-known/nostr.json', nostrController);