fix: Stack-Umgebungsvariablen via environment: an Container weitergeben

feat: entrypoint.sh mit gosu für automatisches chown und Privilege-Drop

entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+APP_UID=${APP_UID:-1000}
+APP_GID=${APP_GID:-1000}
+
+# Fix ownership of mounted volumes so the app user can write to them
+chown "${APP_UID}:${APP_GID}" /app/tmp /app/data /app/data/images
+
+# Drop from root to app user and run the actual command
+exec gosu "${APP_UID}:${APP_GID}" "$@"