Skip label if some config file was passed by stdin
Skip label if some config file was passed by stdin

com.docker.compose.project.config_files must contain valid file paths

Signed-off-by: Nicolas De Loof <27d8e526c390473e9c51da80626c6b0539b42f4f@gmail.com>

vdemeester/compose,thaJeztah/compose,thaJeztah/compose,vdemeester/compose