update entrypoint.

entrypoint.sh

@@ -1,5 +1,6 @@
-#!/usr/bin/env ash
+#!/usr/bin/env bash
 
-# `$*` expands the `args` supplied in an `array` individually
+# Parse the last argument into an array of extra_args.
-# or splits `args` in a string separated by whitespace.
+mapfile -t extra_args < <(bash -c "for arg in ${*: -1}; do echo \$arg; done")
-/usr/bin/trufflehog $*
+
+/usr/bin/trufflehog "${@: 1: $#-1}" "${extra_args[@]}"