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This update introduces the ability to set the log level dynamically based on the LOG_LEVEL environment variable, allowing for better control over logging verbosity. Additionally, the Elasticsearch client creation has been refactored to utilize configuration settings from a JSON file, enhancing the application's configurability. The previous LoadConfig function has been replaced with a more structured approach, and unnecessary code has been removed to streamline the log consumer service.

- Update region configuration with new API server and cluster details
- Modify database configuration to use Kubernetes service endpoint
- Change WAF rule categories table migration to use BIGINT with AUTO_INCREMENT
- Standardize JSON configuration formatting

- Updated `EnableListenerWafsReq` struct to use string slice for listeners
- Modified WAF service method to parse listener string into hosts and port
- Simplified listener WAF configuration logic to work with new listener representation
- Added error handling for port parsing and listener format validation