[Clamd] use python bootstrapper to start CLAMD container

data/Dockerfiles/clamd/docker-entrypoint.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# Run hooks
+for file in /hooks/*; do
+  if [ -x "${file}" ]; then
+    echo "Running hook ${file}"
+    "${file}"
+  fi
+done
+
+python3 -u /bootstrap/main.py
+BOOTSTRAP_EXIT_CODE=$?
+
+if [ $BOOTSTRAP_EXIT_CODE -ne 0 ]; then
+  echo "Bootstrap failed with exit code $BOOTSTRAP_EXIT_CODE. Not starting Clamd."
+  exit $BOOTSTRAP_EXIT_CODE
+fi
+
+echo "Bootstrap succeeded. Starting Clamd..."
+exec "$@"