diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..81f616e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,12 @@
+# Normalize line endings: LF everywhere (so shell scripts work in Linux containers),
+# CRLF only for Windows-specific PowerShell scripts.
+* text=auto eol=lf
+
+*.ps1 text eol=crlf
+
+*.png binary
+*.jpg binary
+*.ico binary
+*.woff binary
+*.woff2 binary
+*.dump binary