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.gitattributes

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+# Keep LF in the repo so shell scripts still run on the Ubuntu docker host,
+# even when the working copy is checked out on Windows.
+* text=auto eol=lf
+
+*.sh      text eol=lf
+*.mjs     text eol=lf
+Dockerfile text eol=lf
+*.yml     text eol=lf
+.env.example text eol=lf
+
+# Windows-only helpers keep CRLF so Notepad and cmd behave.
+*.ps1     text eol=crlf
+*.bat     text eol=crlf
+*.cmd     text eol=crlf
+
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.ico binary