# For the remainder of this Dockerfile EXAMPLE_ARG_FOR_DOCKERFILE will be
# available with a value of 'must_be_available_in_dockerfile', check out the env
# file at 'env/fully.qualified.domain.name.example' for reference.
# ARG EXAMPLE_ARG_FOR_DOCKERFILE

# Another env var, this one's needed in the example build step below:
# ARG PING_VERSION

# Example
# FROM "ping:${PING_VERSION}"
# RUN apt-get update && \
#     apt-get -y install \
#     somepackage-6.q16-6-extra && \
#     rm -rf /var/lib/apt/lists/*