LABEL adds meta-data to an image using one or more key-value pairs.

    LABEL Description="Docker Image for running the R Service Bus" Vendor="Open Analytics NV" Version="6.2"

    LABEL com.example.label-without-value
    LABEL com.example.label-with-value="foo"
    LABEL version="1.0"
    LABEL description="This text illustrates \
    that label-values can span multiple lines."

N.B. Image labels can be viewed using the

    docker inspect

command.