add PR for kepubify in docker-cops - see #77

docker/Dockerfile.linuxserver

@@ -1,7 +1,6 @@
 # syntax=docker/dockerfile:1
-# Source: https://github.com/linuxserver/docker-cops
 
-FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.19
+FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.20
 
 # set version label
 ARG BUILD_DATE
@@ -38,6 +37,16 @@ RUN \
   cd /app/www/public && \
   composer \
     install --no-dev --optimize-autoloader && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
+  echo "***install kepubify" && \
+  if [ -z ${KEPUBIFY_RELEASE+x} ]; then \
+    KEPUBIFY_RELEASE=$(curl -sX GET "https://api.github.com/repos/pgaskin/kepubify/releases/latest" \
+      | awk '/tag_name/{print $4;exit}' FS='[""]'); \
+  fi && \
+  curl -o \
+    /usr/bin/kepubify -L \
+    "https://github.com/pgaskin/kepubify/releases/download/${KEPUBIFY_RELEASE}/kepubify-linux-64bit" && \
+  chmod 755 /usr/bin/kepubify && \
   echo "**** cleanup ****" && \
   rm -rf \
     /root/.composer \