feat(config): add Redis and MySQL connection settings

app/config.py

@@ -34,3 +34,17 @@ LOG_LEVEL = os.getenv("BUFFER_LOG_LEVEL", "INFO")
 
 # 调度器
 SCHEDULER_MAX_INSTANCES = 1  # 同一任务不允许重叠执行
+
+# Redis 配置
+REDIS_HOST = os.getenv("REDIS_HOST", "localhost")
+REDIS_PORT = int(os.getenv("REDIS_PORT", "6379"))
+REDIS_DB = int(os.getenv("REDIS_DB", "0"))
+REDIS_PASSWORD = os.getenv("REDIS_PASSWORD", "")
+REDIS_TTL_SECONDS = int(os.getenv("REDIS_TTL", "2592000"))  # 30 天
+
+# MySQL 配置
+MYSQL_HOST = os.getenv("MYSQL_HOST", "localhost")
+MYSQL_PORT = int(os.getenv("MYSQL_PORT", "3306"))
+MYSQL_USER = os.getenv("MYSQL_USER", "root")
+MYSQL_PASSWORD = os.getenv("MYSQL_PASSWORD", "")
+MYSQL_DATABASE = os.getenv("MYSQL_DATABASE", "buffer_platform")