content: FROM docker.io/parity/base-bin
  
  # metadata
  ARG VCS_REF
  ARG BUILD_DATE
  ARG POLKADOT_VERSION
  ARG POLKADOT_GPGKEY=9D4B2B6EB8F97156D19669A9FF0812D491B96798
  ARG GPG_KEYSERVER="keyserver.ubuntu.com"
  
  LABEL io.parity.image.authors="devops-team@parity.io" \
  	io.parity.image.vendor="Parity Technologies" \
  	io.parity.image.title="parity/polkadot" \
  	io.parity.image.description="Polkadot: a platform for web3. This is the official Parity image with an injected binary." \
  	io.parity.image.source="https://github.com/paritytech/polkadot-sdk/blob/${VCS_REF}/scripts/ci/dockerfiles/polkadot/polkadot_injected_debian.Dockerfile" \
  	io.parity.image.revision="${VCS_REF}" \
  	io.parity.image.created="${BUILD_DATE}" \
  	io.parity.image.documentation="https://github.com/paritytech/polkadot-sdk/"
  
  USER root
  
  # show backtraces
  ENV RUST_BACKTRACE 1
  
  RUN \
  	apt-get update && \
  	apt-get install -y --no-install-recommends polkadot=${POLKADOT_VERSION#?} && \
  	apt-get autoremove -y && \
  	apt-get clean && \
  	rm -rf /var/lib/apt/lists/* ; \
  	mkdir -p /data /polkadot/.local/share && \
  	chown -R parity:parity /data && \
  	ln -s /data /polkadot/.local/share/polkadot
  
  USER parity
  
  # check if executable works in this container
  RUN /usr/bin/polkadot --version
  RUN /usr/lib/polkadot/polkadot-execute-worker --version
  RUN /usr/lib/polkadot/polkadot-prepare-worker --version
  
  EXPOSE 30333 9933 9944 9615
  VOLUME ["/polkadot"]
  
  ENTRYPOINT ["/usr/bin/polkadot"]
  