ARG UBUNTU_VERSION ARG TDLIB_IMAGE FROM ${TDLIB_IMAGE} AS tdlib RUN mkdir /tdlib-so WORKDIR /tdlib-so RUN find /tdlib/lib -regex '.*\.so.*' -print0 | xargs -0 -I % cp -P % . FROM ubuntu:${UBUNTU_VERSION} WORKDIR /tdlib-so COPY --from=tdlib /tdlib-so .