diff --git a/Dockerfile b/Dockerfile
index d3dd796..79e9d1b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM alpine:3.12
+FROM alpine:3.18
 
-LABEL maintainer="docker@upshift.fr"
+LABEL maintainer="bandawg93"
 
-ENV NUT_VERSION 2.7.4
+ENV NUT_VERSION 2.8.0
 
 ENV UPS_NAME="ups"
 ENV UPS_DESC="UPS"
@@ -24,10 +24,11 @@ RUN set -ex; \
 	apk add --no-cache --virtual .build-deps \
 		libusb-compat-dev \
 		build-base \
+		curl \
 	; \
 	# download and extract
 	cd /tmp; \
-	wget http://www.networkupstools.org/source/2.7/nut-$NUT_VERSION.tar.gz; \
+	wget http://www.networkupstools.org/source/2.8/nut-$NUT_VERSION.tar.gz; \
 	tar xfz nut-$NUT_VERSION.tar.gz; \
 	cd nut-$NUT_VERSION \
 	; \
diff --git a/src/docker-entrypoint b/src/docker-entrypoint
index 2365511..1f0e5b5 100755
--- a/src/docker-entrypoint
+++ b/src/docker-entrypoint
@@ -1,4 +1,4 @@
-#!/bin/sh -ex
+#!/bin/sh
 
 if [ -z "$API_PASSWORD" ]
 then
@@ -10,17 +10,25 @@ then
    ADMIN_PASSWORD=$(dd if=/dev/urandom bs=18 count=1 2>/dev/null | base64)
 fi
 
+if [ ! -f /etc/nut/ups.conf ]
+then
 cat >/etc/nut/ups.conf <<EOF
 [$UPS_NAME]
 	desc = "$UPS_DESC"
 	driver = $UPS_DRIVER
 	port = $UPS_PORT
 EOF
+fi
 
+if [ ! -f /etc/nut/upsd.conf ]
+then
 cat >/etc/nut/upsd.conf <<EOF
 LISTEN 0.0.0.0 3493
 EOF
+fi
 
+if [ ! -f /etc/nut/upsd.users ]
+then
 cat >/etc/nut/upsd.users <<EOF
 [admin]
 	password = $ADMIN_PASSWORD
@@ -32,11 +40,15 @@ cat >/etc/nut/upsd.users <<EOF
 	password = $API_PASSWORD
 	upsmon master
 EOF
+fi
 
+if [ ! -f /etc/nut/upsmon.conf ]
+then
 cat >/etc/nut/upsmon.conf <<EOF
 MONITOR $UPS_NAME@localhost 1 monitor $API_PASSWORD master
 SHUTDOWNCMD "$SHUTDOWN_CMD"
 EOF
+fi
 
 chgrp -R nut /etc/nut /dev/bus/usb
 chmod -R o-rwx /etc/nut