Denis Babineau

same issue here, `docker-compose --version`: ``` docker-compose version 1.29.2, build 5becea4c ``` `docker version`: ``` Client: Cloud integration: v1.0.22 Version: 20.10.12 API version: 1.41 Go version: go1.16.12 Git commit: e91ed57...

upon further investigation this occurs when a container is using `secureValue` environment variables where the referenced `value` is not set, see: https://github.com/docker/compose-cli/blob/main/aci/convert/convert.go#L354 @gtardif