radial sugiyama positioning integration

backend_go/Dockerfile

@@ -1,23 +1,34 @@
 ARG GO_VERSION=1.24
-FROM golang:${GO_VERSION}-alpine AS builder
+FROM rust:bookworm AS rust-builder
 
-WORKDIR /src
+WORKDIR /src/radial_sugiyama
 
-COPY go.mod /src/go.mod
+COPY radial_sugiyama /src/radial_sugiyama
+
+RUN cargo build --release --bin radial_sugiyama_go_bridge
+
+FROM golang:${GO_VERSION}-alpine AS go-builder
+
+WORKDIR /src/backend_go
+
+COPY backend_go/go.mod /src/backend_go/go.mod
 
 RUN go mod download
 
-COPY . /src
+COPY backend_go /src/backend_go
 
 RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/backend ./
 
-FROM alpine:3.20
+FROM debian:bookworm-slim
 
-RUN apk add --no-cache ca-certificates curl
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends ca-certificates curl \
+    && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
-COPY --from=builder /out/backend /app/backend
+COPY --from=go-builder /out/backend /app/backend
+COPY --from=rust-builder /src/radial_sugiyama/target/release/radial_sugiyama_go_bridge /app/radial_sugiyama_go_bridge
 
 EXPOSE 8000