Split C++17 implementation Dockerfile into builder and runtime to minimize final image size

cpp17/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM kuyoh/vcpkg:2025.06.13-ubuntu24.04 AS base
+FROM kuyoh/vcpkg:2025.06.13-ubuntu24.04 AS builder
 
 WORKDIR /workspace
 
@@ -11,4 +11,11 @@ RUN cmake -DCMAKE_TOOLCHAIN_FILE:STRING=${VCPKG_ROOT}/scripts/buildsystems/vcpkg
 RUN cmake --build /workspace/build --config Release --target all -j 8 --
 RUN cd /workspace/build && ctest --output-on-failure .
 
-CMD ["/workspace/build/bin/AutoStore"]
+
+FROM ubuntu:24.04 AS runtime
+
+WORKDIR /app
+
+COPY --from=builder /workspace/build/bin/AutoStore ./AutoStore
+
+CMD ["./AutoStore"]