## Buildstage ##
FROM ghcr.io/linuxserver/baseimage-ubuntu:focal 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/ /