diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..610bfc6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+*.sif
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
diff --git a/ray/ray.def b/ray/ray.def
new file mode 100644
index 0000000..a43cf74
--- /dev/null
+++ b/ray/ray.def
@@ -0,0 +1,22 @@
+Bootstrap: library
+From: default/ubuntu:20.04
+
+%post
+    apt-get -y update
+    apt-get -y --no-install-recommends install software-properties-common
+    add-apt-repository universe
+    apt-get -y update
+    apt-get -y --no-install-recommends install ray
+
+%test
+    if [ ! "$(command -v Ray)" ]; then
+        echo "command Ray not found!"
+        exit 1
+    fi
+
+%runscript
+    mpiexec --use-hwthread-cpus Ray "$@"
+
+%labels
+    Author 25492070+MillironX@users.noreply.github.com
+    Version v2.3.1