diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfdb8b7
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sh text eol=lf
diff --git a/backend/.gitignore b/backend/.gitignore
index 0b81390..1ed1ee9 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -22,3 +22,4 @@ coverage.xml
 
 .ruff_cache/
 *.egg-info/
+uv.lock
diff --git a/backend/script/init_localstack.sh b/backend/script/init_localstack.sh
index bf9c1da..739bfae 100644
--- a/backend/script/init_localstack.sh
+++ b/backend/script/init_localstack.sh
@@ -9,7 +9,7 @@ ATTEMPT=0
 
 while [ $ATTEMPT -lt $MAX_ATTEMPTS ]; do
     if curl -sf http://localstack:4566/_localstack/health >/dev/null 2>&1; then
-        echo "✓ LocalStack is responding!"
+        echo "LocalStack is responding!"
         break
     fi
     ATTEMPT=$((ATTEMPT + 1))