Worked on the infiniflow/ragflow repository to address a deployment issue in Helm charts by fixing a YAML parsing bug in the env.yaml template. The solution involved excluding password keys from the environment variable range loop, which prevented duplicate YAML mapping keys and ensured compatibility with yaml.v3 parsing used by the Flux Helm-controller. This change eliminated deployment failures caused by strict YAML parsers. The work was validated across multiple environments, confirming correct secret rendering and the presence of required keys. The developer utilized DevOps practices, Helm, Kubernetes, and YAML, and updated documentation and test cases to cover various deployment scenarios.