content: FROM paritytech/ci-linux:production as builder
  
  # metadata
  ARG VCS_REF
  ARG BUILD_DATE
  ARG IMAGE_NAME="staking-miner"
  ARG PROFILE=production
  
  LABEL description="This is the build stage. Here we create the binary."
  
  WORKDIR /app
  COPY . /app
  RUN cargo build --locked --profile $PROFILE --package staking-miner
  
  # ===== SECOND STAGE ======
  
  FROM docker.io/parity/base-bin:latest
  LABEL description="This is the 2nd stage: a very small image where we copy the binary."
  LABEL io.parity.image.authors="devops-team@parity.io" \
  	io.parity.image.vendor="Parity Technologies" \
  	io.parity.image.title="${IMAGE_NAME}" \
  	io.parity.image.description="${IMAGE_NAME} for substrate based chains" \
  	io.parity.image.source="https://github.com/paritytech/polkadot/blob/${VCS_REF}/scripts/ci/dockerfiles/${IMAGE_NAME}/${IMAGE_NAME}_builder.Dockerfile" \
  	io.parity.image.revision="${VCS_REF}" \
  	io.parity.image.created="${BUILD_DATE}" \
  	io.parity.image.documentation="https://github.com/paritytech/polkadot/"
  
  ARG PROFILE=release
  COPY --from=builder /app/target/$PROFILE/staking-miner /usr/local/bin
  
  # show backtraces
  ENV RUST_BACKTRACE 1
  
  USER parity
  
  ENV SEED=""
  ENV URI="wss://rpc.polkadot.io"
  ENV RUST_LOG="info"
  
  # check if the binary works in this container
  RUN /usr/local/bin/staking-miner --version
  
  ENTRYPOINT [ "/usr/local/bin/staking-miner" ]
  