添加Valkey支持

server/cache.js

@@ -1,32 +1,42 @@
 const Redis = require('ioredis');
 
-const host = process.env.VALKEY_HOST || 'localhost';
-const port = parseInt(process.env.VALKEY_PORT) || 6379;
-const password = process.env.VALKEY_PASSWORD || undefined;
-const db = parseInt(process.env.VALKEY_DB) || 0;
-const ttl = parseInt(process.env.VALKEY_TTL) || 30;
-
 let redis = null;
+let ttl = 30;
 
-try {
-  redis = new Redis({
-    host,
-    port,
-    password,
-    db,
-    lazyConnect: true,
-    maxRetriesPerRequest: 1
-  });
+function init() {
+  if (redis) {
+    redis.disconnect();
+  }
 
-  redis.on('error', (err) => {
-    // Fail silently after one retry, we just won't cache
-    console.warn('[Cache] Valkey connection failed, caching disabled:', err.message);
-  });
-} catch (err) {
-  console.warn('[Cache] Valkey init failed:', err.message);
+  const host = process.env.VALKEY_HOST || 'localhost';
+  const port = parseInt(process.env.VALKEY_PORT) || 6379;
+  const password = process.env.VALKEY_PASSWORD || undefined;
+  const db = parseInt(process.env.VALKEY_DB) || 0;
+  ttl = parseInt(process.env.VALKEY_TTL) || 30;
+
+  try {
+    redis = new Redis({
+      host,
+      port,
+      password,
+      db,
+      lazyConnect: true,
+      maxRetriesPerRequest: 1
+    });
+
+    redis.on('error', (err) => {
+      // Fail silently after one retry, we just won't cache
+      console.warn('[Cache] Valkey connection failed, caching disabled:', err.message);
+    });
+  } catch (err) {
+    console.warn('[Cache] Valkey init failed:', err.message);
+  }
 }
 
+init();
+
 const cache = {
+  init,
   async get(key) {
     if (!redis) return null;
     try {