website/content/zh-cn/docs/reference/command-line-tools-reference/feature-gates/volume-subpath-env-expansion.md

title	content_type	_build	stages	removed
VolumeSubpathEnvExpansion	feature_gate	list render never false	stage defaultValue fromVersion toVersion alpha false 1.14 1.14 stage defaultValue fromVersion toVersion beta true 1.15 1.16 stage defaultValue fromVersion toVersion stable true 1.17 1.24	true

启用 subPathExpr 字段用于在 subPath 中展开环境变量。