feat: add PUID PGID UMASK settings to image

entrypoint.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+UMASK=${UMASK:-022}
+PUID=${PUID:-1000}
+PGID=${PGID:-1000}
+
+umask ${UMASK}
+
+if [ ! -d /config ]; then
+    mkdir /config
+fi
+if [ ! -d /metadata ]; then
+    mkdir /metadata
+fi
+if [ ! -d /audiobooks ]; then
+    mkdir /audiobooks
+fi
+if [ ! -d /podcasts ]; then
+    mkdir /podcasts
+fi
+
+echo "Change owner to user AudioBookShelf..."
+echo "PUID=${PUID}"
+echo "PGID=${PGID}"
+
+groupmod -o -g ${PGID} node
+usermod -o -u ${PUID} node
+
+chown -R node:node \
+    /config \
+    /metadata
+chown node:node \
+    /audiobooks \
+    /podcasts
+
+exec su-exec node:node dumb-init $*