diff --git a/PyTorch/Segmentation/nnUNet/build.txt b/PyTorch/Segmentation/nnUNet/build.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26d71ae0432e7590885921371ac9e83ae4a36b08
--- /dev/null
+++ b/PyTorch/Segmentation/nnUNet/build.txt
@@ -0,0 +1,8 @@
+apptainer build containers/nvidia_pytorch_21.11-py3.sif  docker://nvcr.io/nvidia/pytorch:21.11-py3
+
+
+MODULE_NAME=nnunet_for_pytorch
+MODULE_VERSION=21.11.0
+gotesting
+apptainer build ./containers/${MODULE_NAME}_${MODULE_VERSION}.sif ./berzelius-benchmarks/${MODULE_NAME}.def
+