diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..ff68b23
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Shell scripts run inside Linux containers: keep LF even on Windows checkouts
+*.sh text eol=lf
diff --git a/.gitignore b/.gitignore
index b377941..d2f53fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 !.env
 !.sh
 !.gitignore
+!.gitattributes
 !.gitea
 !.gitea/**
 output/