In January 2025, Yan Ke Guo enhanced the SigNoz/charts repository by implementing cluster-aware configuration for ClickHouse deployments using Helm and Kubernetes. He introduced a --cluster-name argument to both the schema-migrator and query-service containers, enabling them to respect the CLICKHOUSE_CLUSTER environment variable and connect to the correct ClickHouse cluster in multi-cluster environments. This update, delivered through a focused commit, also included a Helm chart version bump to propagate the new configuration. By leveraging YAML for configuration and containerized deployment practices, Yan’s work reduced data misrouting and streamlined multi-cluster deployment processes, demonstrating depth in infrastructure automation and environment-driven design.