feature: module 하위 test 디렉토리 분리, cache index 추가

Author: Nuung

.env.sample

@@ -21,6 +21,14 @@ POSTGRES_PASSWORD=vd2
 POSTGRES_HOST=localhost
 POSTGRES_PORT=5432
 
+# Cache (redis)
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=notion-check-plz
+REDIS_DB=0
+REDIS_KEY_PREFIX=vd2:cache:
+CACHE_DEFAULT_TTL=300
+
 # Slack Notification
 SLACK_WEBHOOK_URL=https://hooks.slack.com/services
 

src/modules/cache/__test__/redis.cache.test.ts

@@ -0,0 +1,41 @@
+import logger from '@/configs/logger.config';
+
+import { ICache, CacheConfig } from './cache.type';
+import { RedisCache } from "./redis.cache";
+
+
+const cacheConfig: CacheConfig = {
+  host: process.env.REDIS_HOST || '152.67.198.7',
+  port: parseInt(process.env.REDIS_PORT || '6379'),
+  password: process.env.REDIS_PASSWORD || 'velog-dashboard-v2-cache!@#!@#123',
+  db: parseInt(process.env.REDIS_DB || '0'),
+  keyPrefix: process.env.REDIS_KEY_PREFIX || 'vd2:cache:',
+  defaultTTL: parseInt(process.env.CACHE_DEFAULT_TTL || '300'), // 5분
+};
+
+// 싱글톤 캐시 인스턴스 (const로 변경하고 null 초기화)
+const cacheInstance: ICache = new RedisCache(cacheConfig);
+
+export const cache = cacheInstance;
+
+// 초기화 함수
+export const initCache = async (): Promise<void> => {
+  try {
+    await cache.connect();
+    logger.info('Cache system initialized successfully');
+  } catch (error) {
+    logger.error('Failed to initialize cache system:', error);
+    // 캐시 연결 실패해도 애플리케이션은 계속 실행
+    logger.warn('Application will continue without cache');
+  }
+};
+
+// 종료 함수
+export const closeCache = async (): Promise<void> => {
+  try {
+    await cache.disconnect();
+    logger.info('Cache system closed successfully');
+  } catch (error) {
+    logger.error('Failed to close cache system:', error);
+  }
+};

src/modules/cache/cache.instance.ts

@@ -0,0 +1,4 @@
+export * from './cache.type';
+export { cache } from './cache.instance';
+export { initCache, closeCache } from './cache.instance';
+export { RedisCache } from './redis.cache';