ARG UBUNTU_VERSION=22.04 FROM ubuntu:$UBUNTU_VERSION as build RUN apt-get update && \ apt-get install -y build-essential git WORKDIR /app COPY . . RUN make -j$(nproc) FROM ubuntu:$UBUNTU_VERSION as runtime COPY --from=build /app/main /main ENV LC_ALL=C.utf8 ENTRYPOINT [ "/main" ]