content: # this image is built on top of existing Zombienet image
  ARG ZOMBIENET_IMAGE
  # this image uses substrate-relay image built elsewhere
  ARG SUBSTRATE_RELAY_IMAGE=docker.io/paritytech/substrate-relay:v1.6.8
  
  # metadata
  ARG VCS_REF
  ARG BUILD_DATE
  ARG IMAGE_NAME
  
  # we need `substrate-relay` binary, built elsewhere
  FROM ${SUBSTRATE_RELAY_IMAGE} as relay-builder
  
  # the base image is the zombienet image - we are planning to run zombienet tests using native
  # provider here
  FROM ${ZOMBIENET_IMAGE}
  
  LABEL io.parity.image.authors="devops-team@parity.io" \
  	io.parity.image.vendor="Parity Technologies" \
  	io.parity.image.title="${IMAGE_NAME}" \
  	io.parity.image.description="Bridges Zombienet tests." \
  	io.parity.image.source="https://github.com/paritytech/polkadot-sdk/blob/${VCS_REF}/docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile" \
  	io.parity.image.revision="${VCS_REF}" \
  	io.parity.image.created="${BUILD_DATE}" \
  	io.parity.image.documentation="https://github.com/paritytech/polkadot-sdk/bridges/testing"
  
  # show backtraces
  ENV RUST_BACKTRACE 1
  USER root
  
  # for native provider to work (TODO: fix in zn docker?)
  RUN apt-get update && apt-get install -y procps sudo
  RUN yarn global add @polkadot/api-cli
  
  # add polkadot binary to the docker image
  COPY ./artifacts/polkadot /usr/local/bin/
  COPY ./artifacts/polkadot-execute-worker /usr/local/bin/
  COPY ./artifacts/polkadot-prepare-worker /usr/local/bin/
  # add polkadot-parachain binary to the docker image
  COPY ./artifacts/polkadot-parachain /usr/local/bin
  # copy substrate-relay to the docker image
  COPY --from=relay-builder /home/user/substrate-relay /usr/local/bin/
  # we need bridges zombienet runner and tests
  RUN	mkdir -p /home/nonroot/bridges-polkadot-sdk
  COPY ./artifacts/bridges-polkadot-sdk /home/nonroot/bridges-polkadot-sdk
  # also prepare `generate_hex_encoded_call` for running
  RUN set -eux; \
  	cd /home/nonroot/bridges-polkadot-sdk/bridges/testing/framework/utils/generate_hex_encoded_call; \
  	npm install
  
  # check if executable works in this container
  USER nonroot
  RUN /usr/local/bin/polkadot --version
  RUN /usr/local/bin/polkadot-parachain --version
  RUN /usr/local/bin/substrate-relay --version
  
  # https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:{PORT}#/explorer
  EXPOSE 9942 9910 8943 9945 9010 8945
  