[Builder] Fix entrypoint not exiting with error code if build failed

latex/entrypoint.sh

@@ -45,6 +45,7 @@ if [ ${compile_fail:-0} -eq 1 ]; then
 	echo "
 ==> Compile has failed. See log above
     "
+	exit 1
 else
 	echo "Compile successful, log omitted"
 fi