message: add release flag in docker release image
diff: @@ -16,8 +16,8 @@ COPY rust/src /src
  # Fix timestamp. cargo incremental build as issues caused by the above
  # trick to compile the deps separately
  RUN touch /src/lib.rs
  -RUN cargo build --all-features
  +RUN cargo build --release --all-features
  FROM ubuntu:latest
  RUN apt update && apt install -y --no-install-recommends libssl-dev
  -COPY --from=builder /target/debug/coordinator /app/coordinator
  +COPY --from=builder /target/release/coordinator /app/coordinator
  