anchor.diff:    org.label-schema.vendor="B2i Healthcare" \
     org.opencontainers.image.created="${BUILD_TIMESTAMP}" \
     org.opencontainers.image.revision="${GIT_REVISION}" \
  -  org.opencontainers.image.version="${VERSION}" \
  +  org.opencontainers.image.version="${TAG}" \
     org.opencontainers.image.licenses="Apache-2.0" \
     org.opencontainers.image.title="${PRODUCT_NAME}" \
     org.opencontainers.image.url="${REPOSITORY_URL}" \
  
positive.code: 
  LABEL org.label-schema.build-date="${BUILD_TIMESTAMP}" \
    org.label-schema.vcs-ref="${GIT_REVISION}" \
    org.label-schema.version="${VERSION}" \
    org.label-schema.license="Apache-2.0" \
    org.label-schema.name="${PRODUCT_NAME}" \
    org.label-schema.schema-version="1.0" \
  
negative.code: FROM b2ihealthcare/centos:7
  
  ARG BUILD_TIMESTAMP
  ARG TAG
  ARG GIT_REVISION
  ARG PRODUCT_NAME="Snow Owl OSS"
  ARG REPOSITORY_URL="https://github.com/b2ihealthcare/snow-owl"
  