docker image inspect 315798907716 | head
    {
        "Id": "sha256:315798907716a51610bb3c270c191e0e61112b19aae9a3bb0c2a60c53d074750",
        "RepoTags": [
            "nginx:1.15-alpine"
        ],
        "RepoDigests": [
            "nginx@sha256:385fbcf0f04621981df6c6f1abd896101eb61a439746ee2921b26abc78f45571"