major rewite to remove HEREDOC

entrypoint.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CFG="/var/www/html/daloradius/common/includes/daloradius.conf.php"
+TMPL="/opt/daloradius.conf.php.tmpl"
+OVR="/opt/override-db.php"
+
+# Always (re)seed from upstream sample, then append our override
+mkdir -p "$(dirname "$CFG")"
+cp -f "$TMPL" "$CFG"
+cat "$OVR" >> "$CFG"
+
+# Start Apache in foreground
+exec apachectl -DFOREGROUND