add restriction note for docker strategy build args
@@ -730,6 +730,8 @@ type DockerBuildStrategy struct {
// buildArgs contains build arguments that will be resolved in the Dockerfile. See
// https://docs.docker.com/engine/reference/builder/#/arg for more details.
+ // NOTE: Only the 'name' and 'value' fields are supported. Any settings on the 'valueFrom' field
+ // are ignored.
BuildArgs []corev1.EnvVar `json:"buildArgs,omitempty" protobuf:"bytes,7,rep,name=buildArgs"`
// imageOptimizationPolicy describes what optimizations the system can use when building images
