diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..31493ff
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,10 @@
+# https://php.watch/articles/composer-gitattributes
+
+# Exclude build/test files from archive
+/.github export-ignore
+/tests export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+Dockerfile export-ignore
+docker-compose.yml export-ignore
+phpunit.xml export-ignore