According to the union file system, does image actually container another image?
问题 In Docker, an image is a stack of Read-only image layers. We also know that images share layers or other images. My question is about how this sharing mechanism work. Does an image have pointers to the Docker storage driver or do they actually contain other layers? If the first one is true, does that mean Dockerfile saves those layers into daemon and the image is the instruction of retrieving those layers orderly? 回答1: It depends on your storage driver: Docker uses storage drivers to manage