✔️ 이미지 레이어 httpd:latest의 레이어를 확인해보자. vagrant@docker  ~  docker image inspect httpd --format '{{ .RootFS.Layers }}' [sha256:9c1b6dd6c1e6be9fdd2b1987783824670d3b0dd7ae8ad6f57dc3cea5739ac71e sha256:1d1a2486e901871ad1257512d588eebb30ae0605d8353abb6635e2d313b2187c sha256:ec02eb7f3cf4dd78bc518d3a8ccf57f57336ceacb9638303891787ff2ec2e96f sha256:67bb571b5bd2b65cbdf2c93c6f9dc8e89414055dd7444df617b234669..