fix: configure redis client options and optimize subscriber initialization using duplicate connection

src/common/adapters/redis-io.adapter.ts

@@ -23,13 +23,20 @@ export class RedisIoAdapter extends IoAdapter {
     const db = this.configService.get<number>('redis.db', 0);
     const useTls = process.env.REDIS_TLS === 'true';
 
-    const opts: any = { host, port, password, db };
+    const opts: any = {
+      host,
+      port,
+      password,
+      db,
+      maxRetriesPerRequest: null,
+      enableReadyCheck: false,
+    };
     if (useTls) {
       opts.tls = { rejectUnauthorized: false };
     }
 
     const pubClient = new Redis(opts);
-    const subClient = new Redis(opts);
+    const subClient = pubClient.duplicate();
 
     pubClient.on('error', (err) => this.logger.error(`Redis pub error: ${err.message}`));
     subClient.on('error', (err) => this.logger.error(`Redis sub error: ${err.message}`));