Attempt to fix PHAR generation during build.

Dockerfile

@@ -4,7 +4,7 @@ RUN composer install --no-interaction --no-dev --ignore-platform-reqs --optimize
 
 # Build the PHAR file
 RUN echo 'phar.readonly = Off' > /usr/local/etc/php/php.ini;
-RUN curl -LSs https://github.com/box-project/box/releases/download/4.2.0/box.phar -o box.phar; php box.phar compile; rm box.phar
+RUN curl -LSs https://github.com/box-project/box/releases/download/4.6.10/box.phar -o box.phar; php box.phar compile; rm box.phar
 
 FROM php:8.2-cli
 LABEL org.opencontainers.image.authors="Xibo Signage Ltd <info@xibosignage.com>"

build.sh

@@ -1,5 +1,26 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+#
+# Copyright (C) 2026 Xibo Signage Ltd
+#
+# Xibo - Digital Signage - https://xibosignage.com
+#
+# This file is part of Xibo.
+#
+# Xibo is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# Xibo is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Xibo.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 docker run --rm --name xmr-build \
     -v "$PWD":/usr/src/myapp \
     -w /usr/src/myapp composer \
-    /bin/bash -c "echo 'phar.readonly = Off' > /usr/local/etc/php/php.ini; curl -LSs https://github.com/box-project/box/releases/download/4.2.0/box.phar -o box.phar; php box.phar compile; rm box.phar"
+    /bin/bash -c "echo 'phar.readonly = Off' > /usr/local/etc/php/php.ini; curl -LSs https://github.com/box-project/box/releases/download/4.6.10/box.phar -o box.phar; php box.phar compile; rm box.phar"