diff --git a/.devcontainer/docker-compose.yaml b/.devcontainer/docker-compose.yaml
index a63266a..cc00ed8 100644
--- a/.devcontainer/docker-compose.yaml
+++ b/.devcontainer/docker-compose.yaml
@@ -36,7 +36,7 @@ services:
       dockerfile: Dockerfile
       context: .
       args:
-        VARIANT: 3.6
+        VARIANT: 3.9
         NODE_VERSION: lts/*
     volumes:
       # Mounts the project folder to '/workspace'. While this file is in .devcontainer,
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..5dc46e6
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+* text=auto eol=lf
+*.{cmd,[cC][mM][dD]} text eol=crlf
+*.{bat,[bB][aA][tT]} text eol=crlf
\ No newline at end of file