feat: add D601 dev backend path

src/components/backend-core/Dockerfile

@@ -1,8 +1,15 @@
-FROM oven/bun:1-alpine
-RUN apk add --no-cache postgresql16-client tar gzip
+FROM rust:1-bookworm AS build
 WORKDIR /app/src/components/backend-core
-COPY src/components/backend-core/package.json ./package.json
-RUN bun install --production
-COPY src/components/shared /app/src/components/shared
+COPY src/components/backend-core/Cargo.toml ./Cargo.toml
+COPY src/components/backend-core/Cargo.lock ./Cargo.lock
 COPY src/components/backend-core/src ./src
-CMD ["bun", "run", "src/index.ts"]
+RUN CARGO_BUILD_JOBS=1 cargo build --release
+
+FROM postgres:16-bookworm
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends ca-certificates tar gzip \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+COPY --from=build /app/src/components/backend-core/target/release/backend-core /usr/local/bin/backend-core
+ENTRYPOINT []
+CMD ["backend-core"]