redis 제거

backend/src/system/system.service.ts

@@ -2,8 +2,6 @@ import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { InjectDataSource } from '@nestjs/typeorm';
 import { DataSource } from 'typeorm';
-import { InjectRedis } from '@nestjs-modules/ioredis';
-import Redis from 'ioredis';
 
 export interface SystemHealthResponse {
   status: 'ok' | 'error';
@@ -17,12 +15,6 @@ export interface SystemHealthResponse {
     status: 'connected' | 'disconnected';
     error?: string;
   };
-  redis: {
-    host: string;
-    port: number;
-    status: 'connected' | 'disconnected';
-    error?: string;
-  };
 }
 
 @Injectable()
@@ -30,19 +22,16 @@ export class SystemService {
   constructor(
     private configService: ConfigService,
     @InjectDataSource() private dataSource: DataSource,
-    @InjectRedis() private redis: Redis,
   ) {}
 
   async getHealth(): Promise<SystemHealthResponse> {
     const dbHealth = await this.checkDatabase();
-    const redisHealth = await this.checkRedis();
 
     return {
-      status: dbHealth.status === 'connected' && redisHealth.status === 'connected' ? 'ok' : 'error',
+      status: dbHealth.status === 'connected' ? 'ok' : 'error',
       timestamp: new Date().toISOString(),
       environment: this.configService.get('NODE_ENV') || 'development',
       database: dbHealth,
-      redis: redisHealth,
     };
   }
 
@@ -61,29 +50,4 @@ export class SystemService {
       return { ...config, status: 'disconnected' as const, error: error.message };
     }
   }
-
-  private async checkRedis() {
-    const redisUrl = this.configService.get('REDIS_URL') || '';
-    let host = this.configService.get('REDIS_HOST') || 'unknown';
-    let port = parseInt(this.configService.get('REDIS_PORT')) || 6379;
-
-    if (redisUrl) {
-      try {
-        const url = new URL(redisUrl);
-        host = url.hostname;
-        port = parseInt(url.port) || 6379;
-      } catch {}
-    }
-
-    try {
-      const pong = await this.redis.ping();
-      return {
-        host,
-        port,
-        status: pong === 'PONG' ? 'connected' as const : 'disconnected' as const,
-      };
-    } catch (error) {
-      return { host, port, status: 'disconnected' as const, error: error.message };
-    }
-  }
 }