fix: improve image build

entrypoint.sh

@@ -1,10 +1,10 @@
 #!/bin/sh
 # This script is used as the container's entrypoint.
 # It ensures that the /app/_data directory (mounted as a volume)
-# is owned by the non-root 'appuser', so the application can write to it.
+# is owned by the non-root 'node' user, so the application can write to it.
 
 set -e
 
-# Fix ownership of the data volume and execute the main command
-chown -R appuser:appgroup /app/_data
-exec su-exec appuser "$@"
+# Fix ownership of the data volume and execute the main command as the 'node' user
+chown -R node:node /app/_data
+exec su-exec node "$@"