Dockerfile

FROM jruby:9.1.17.0-jre-alpine

# cf.: 
# - https://docs.docker.com/docker-cloud/builds/advanced/#environment-variables-for-building-and-testing
# - https://medium.com/microscaling-systems/labelling-automated-builds-on-docker-hub-f3d073fb8e1
# - https://docs.docker.com/docker-cloud/builds/advanced/#override-build-test-or-push-commands
ARG BUILD_DATE
ARG VCS_REF
ARG DOCKER_TAG

# cf.: http://label-schema.org/rc1/
LABEL author="Awesome Incremented <marcel.koertgen@gmail.com>"\ 
  org.label-schema.build-date="${BUILD_DATE}" \
  org.label-schema.name="awesomeinc/elastic_provisioner" \
  org.label-schema.description="Import & export Elasticsearch data, e.g. Kibana dashboards & configuration." \
  org.label-schema.usage="https://github.com/awesome-inc/elastic_provisioner/blob/master/README.md" \
  org.label-schema.url="https://hub.docker.com/r/awesomeinc/elastic_provisioner" \
  org.label-schema.vcs-url="https://github.com/awesome-inc/elastic_provisioner" \
  org.label-schema.vcs-ref="${VCS_REF}" \
  org.label-schema.vendor="Awesome Inc" \
  org.label-schema.version="${DOCKER_TAG}" \
  org.label-schema.schema-version="1.0" \
  org.label-schema.docker.cmd="docker run awesomeinc/elastic_provisioner:${DOCKER_TAG}"
# TODO: even more labels...

WORKDIR /app

ADD . ./

ENTRYPOINT [ "ruby" ]

CMD [ "provision.rb" ]