diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f6e9e1d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,23 @@
+# Auto-detect text files and normalize line endings to LF (POSIX standard)
+* text=auto eol=lf
+
+# Explicitly ensure code and configuration files use LF
+*.py text eol=lf
+*.sh text eol=lf
+*.sql text eol=lf
+*.md text eol=lf
+*.yaml text eol=lf
+*.yml text eol=lf
+*.json text eol=lf
+*.txt text eol=lf
+.env.example text eol=lf
+.gitignore text eol=lf
+.gitattributes text eol=lf
+
+# Binary files
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.tar.gz binary
diff --git a/app/common/__init__.py b/app/common/__init__.py
index d8189a9..30ec033 100644
--- a/app/common/__init__.py
+++ b/app/common/__init__.py
@@ -1 +1,2 @@
 # app/common package
+
diff --git a/app/common/config.py b/app/common/config.py
index 01bc1db..058a436 100644
--- a/app/common/config.py
+++ b/app/common/config.py
@@ -81,3 +81,4 @@ class AppConfig:
 
 
 config = AppConfig()
+
diff --git a/app/common/logging.py b/app/common/logging.py
index 24227e9..a1c95bf 100644
--- a/app/common/logging.py
+++ b/app/common/logging.py
@@ -85,3 +85,4 @@ def setup_logger(
         logger.addHandler(handler)
 
     return logger
+
diff --git a/docker/clickhouse/init.sql b/docker/clickhouse/init.sql
index e39076a..9bdcc82 100644
--- a/docker/clickhouse/init.sql
+++ b/docker/clickhouse/init.sql
@@ -39,3 +39,4 @@ PARTITION BY toYYYYMM(session_start_time)
 ORDER BY (service_type, radio_access_type, cell_id, session_start_time, msisdn)
 TTL session_start_time + INTERVAL 90 DAY
 SETTINGS index_granularity = 8192;
+
diff --git a/scripts/init_db.sql b/scripts/init_db.sql
index e39076a..9bdcc82 100644
--- a/scripts/init_db.sql
+++ b/scripts/init_db.sql
@@ -39,3 +39,4 @@ PARTITION BY toYYYYMM(session_start_time)
 ORDER BY (service_type, radio_access_type, cell_id, session_start_time, msisdn)
 TTL session_start_time + INTERVAL 90 DAY
 SETTINGS index_granularity = 8192;
+
diff --git a/tests/test_logging.py b/tests/test_logging.py
index bb72b09..dc6d584 100644
--- a/tests/test_logging.py
+++ b/tests/test_logging.py
@@ -48,3 +48,4 @@ class TestStructuredJsonFormatter(unittest.TestCase):
 
 if __name__ == "__main__":
     unittest.main()
+