Fixed docker

docker/entrypoint.sh

@@ -1,42 +1,45 @@
 #!/bin/sh
+set -e
 
-set -eu
+COMMAND="/usr/local/bin/nsupdate.sh"
 
+# Default schedule if not specified
 SCHEDULE="${SCHEDULE:-* * * * *}"
+
+# Default cron log level if not specified
 CRON_LOG_LEVEL="${CRON_LOG_LEVEL:-2}"
-PUID="${PUID:-1000}"
-PGID="${PGID:-1000}"
-CRON_FILE="/etc/crontabs/root"
 
-# Create or update group with specified PGID
-if grep -q "^nsupdate:" /etc/group 2>/dev/null; then
-  delgroup nsupdate 2>/dev/null || true
-fi
-addgroup -g "${PGID}" nsupdate 2>/dev/null || true
+# Default user name not specified
+USERNAME="${USERNAME:-nsupdate}"
 
-# Create or update user with specified PUID
-if grep -q "^nsupdate:" /etc/passwd 2>/dev/null; then
-  deluser nsupdate 2>/dev/null || true
-fi
-adduser -u "${PUID}" -G nsupdate -s /sbin/nologin -D nsupdate 2>/dev/null || true
+# Default UID and GID if not specified
+PUID=${PUID:-1000}
+PGID=${PGID:-1000}
 
-# Set ownership of volumes
-chown -R "${PUID}:${PGID}" /config /log
+# Default timezone if not specified
+TZ=${TZ:-Etc/UTC}
 
-# Ensure crontabs directory exists
-mkdir -p "$(dirname "${CRON_FILE}")"
+# Set the timezone
+ln -snf /usr/share/zoneinfo/$TZ /etc/localtime
+echo "$TZ" >/etc/timezone
+echo "Timezone set to $TZ"
 
-# Write cron job to run as the specified user (by UID:GID)
-printf '%s su -s /bin/sh %s:%s -c /usr/local/bin/nsupdate.sh\n' "${SCHEDULE}" "${PUID}" "${PGID}" > "${CRON_FILE}"
-chmod 600 "${CRON_FILE}"
+# Create nsupdate group
+addgroup -S --gid $PGID "$USERNAME"
 
-if [ "$#" -gt 0 ]; then
-	if [ "$1" = "crond" ]; then
-		shift
-		exec crond -l "${CRON_LOG_LEVEL}" "$@"
-	fi
+# Create nsupdate user
+adduser -S -u $PUID -G "$USERNAME" -D -H -s /bin/false "$USERNAME"
 
-	exec "$@"
-fi
+CRON_FILE="/etc/crontabs/$USERNAME"
+mkdir -p /etc/crontabs
+printf '%s %s %s\n' "$SCHEDULE" "$USERNAME" "$COMMAND" > "$CRON_FILE"
+chmod 600 "$CRON_FILE"
 
+# Set correct permissions
+chown -R "$USERNAME":"$USERNAME" /config
+chown -R "$USERNAME":"$USERNAME" /log
+echo "Permissions adjusted"
+
+# Start nsupdate in the foreground with reduced warnings
+echo "Starting cron..."
 exec crond -l "${CRON_LOG_LEVEL}" -f