Hacky fix for bwrap execution inside the Debian container running under the NVIDIA Docker runtime

Ref: https://github.com/flatpak/flatpak/wiki/User-namespace-requirements

Dockerfile

@@ -310,6 +310,7 @@ RUN \
     echo "**** Configure flatpak ****" \
         && chmod u+s /usr/bin/bwrap \
         && flatpak remote-add flathub https://flathub.org/repo/flathub.flatpakrepo \
+        && dpkg-statoverride --update --add root root 0755 /usr/bin/bwrap \
     && \
     echo "**** Section cleanup ****" \
         && apt-get clean autoclean -y \

overlay/etc/cont-init.d/10-setup_user.sh

@@ -5,7 +5,7 @@
 # File Created: Friday, 12th January 2022 8:54:01 am
 # Author: Josh.5 (jsunnex@gmail.com)
 # -----
-# Last Modified: Monday, 10th July 2023 5:30:28 pm
+# Last Modified: Monday, 10th July 2023 5:56:17 pm
 # Modified By: Console and webGui login account (jsunnex@gmail.com)
 ###
 

overlay/etc/cont-init.d/80-configure_flatpak.sh

@@ -0,0 +1,13 @@
+
+echo "**** Configure Flatpak ****"
+
+if [ "X${NVIDIA_VISIBLE_DEVICES:-}" != "X" ]; then
+    # Fix some flatpak quirks (not sure what is happening here) for NVIDIA containers
+    mount -t proc none /proc
+    flatpak list
+    echo "Flatpak configured for running inside a Docker container"
+else
+    echo "Flatpak already configured for running inside a Docker container"
+fi
+
+echo "DONE"