## Buildstage ## FROM lsiobase/ubuntu:bionic as buildstage ARG BUILD_DATE ARG VERSION ARG CALIBRE_RELEASE LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}" LABEL maintainer="chbmb" RUN \ echo "**** Install packages ****" && \ apt-get update && \ apt-get install -y \ xz-utils && \ echo "**** Fetch calibre bin ****" && \ if [ -z ${CALIBRE_RELEASE+x} ]; then \ CALIBRE_RELEASE=$(curl -sX GET "https://api.github.com/repos/kovidgoyal/calibre/releases/latest" \ | awk '/tag_name/{print $4;exit}' FS='[""]'); \ fi && \ CALIBRE_RELEASE=$(echo "${CALIBRE_RELEASE}" | sed 's/^v//g' ) && \ mkdir -p \ /root-layer/app/calibre && \ curl -o \ /tmp/calibre.txz -L \ "https://download.calibre-ebook.com/${CALIBRE_RELEASE}/calibre-${CALIBRE_RELEASE}-x86_64.txz" && \ tar xf \ /tmp/calibre.txz \ -C /root-layer/app/calibre # copy local files COPY root/ /root-layer/ ## Single layer deployed image ## FROM scratch # Add files from buildstage COPY --from=buildstage /root-layer/ /