diff --git a/Dockerfile b/Dockerfile
index e026372..fd2443b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,9 @@ RUN npm i -g @shogobg/markdown2confluence@0.1.6
 
 # Copy Python scripts
 WORKDIR /app
-COPY sync_issue.py sync_pr.py sync_to_jira.py /
+COPY src/ /app/src/
+
+
 
 # Define the entrypoint
-ENTRYPOINT ["/usr/bin/python3", "/sync_to_jira.py"]
+ENTRYPOINT ["/usr/bin/python3", "./src/sync_to_jira.py"]
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sync_issue.py b/src/sync_issue.py
similarity index 100%
rename from sync_issue.py
rename to src/sync_issue.py
diff --git a/sync_pr.py b/src/sync_pr.py
similarity index 94%
rename from sync_pr.py
rename to src/sync_pr.py
index b2ba258..f6502b8 100755
--- a/sync_pr.py
+++ b/src/sync_pr.py
@@ -18,8 +18,8 @@
 
 from github import Github
 
-from sync_issue import _create_jira_issue
-from sync_issue import _find_jira_issue
+from src.sync_issue import _create_jira_issue
+from src.sync_issue import _find_jira_issue
 
 
 def sync_remain_prs(jira):
diff --git a/sync_to_jira.py b/src/sync_to_jira.py
similarity index 89%
rename from sync_to_jira.py
rename to src/sync_to_jira.py
index 8ebebdd..c79683c 100755
--- a/sync_to_jira.py
+++ b/src/sync_to_jira.py
@@ -20,18 +20,18 @@
 from github import Github
 from jira import JIRA
 
-from sync_issue import handle_comment_created
-from sync_issue import handle_comment_deleted
-from sync_issue import handle_comment_edited
-from sync_issue import handle_issue_closed
-from sync_issue import handle_issue_deleted
-from sync_issue import handle_issue_edited
-from sync_issue import handle_issue_labeled
-from sync_issue import handle_issue_opened
-from sync_issue import handle_issue_reopened
-from sync_issue import handle_issue_unlabeled
-from sync_issue import sync_issues_manually
-from sync_pr import sync_remain_prs
+from src.sync_issue import handle_comment_created
+from src.sync_issue import handle_comment_deleted
+from src.sync_issue import handle_comment_edited
+from src.sync_issue import handle_issue_closed
+from src.sync_issue import handle_issue_deleted
+from src.sync_issue import handle_issue_edited
+from src.sync_issue import handle_issue_labeled
+from src.sync_issue import handle_issue_opened
+from src.sync_issue import handle_issue_reopened
+from src.sync_issue import handle_issue_unlabeled
+from src.sync_issue import sync_issues_manually
+from src.sync_pr import sync_remain_prs
 
 
 class _JIRA(JIRA):
diff --git a/tests/test_sync_issue.py b/tests/test_sync_issue.py
index faa22ce..e9e79ae 100644
--- a/tests/test_sync_issue.py
+++ b/tests/test_sync_issue.py
@@ -30,7 +30,7 @@ def mock_jira_client():
 @pytest.fixture
 def sync_issue_module(github_client_mock):
     from importlib import reload
-    import sync_issue
+    from src import sync_issue
 
     reload(sync_issue)  # Reload to apply the mocked Github client
     return sync_issue
@@ -52,8 +52,8 @@ def test_handle_issue_opened_creates_jira_issue(sync_issue_module, github_client
         }
     }
 
-    with patch('sync_issue._find_jira_issue', return_value=None) as mock_find_jira_issue, patch(
-        'sync_issue._create_jira_issue'
+    with patch('src.sync_issue._find_jira_issue', return_value=None) as mock_find_jira_issue, patch(
+        'src.sync_issue._create_jira_issue'
     ) as mock_create_jira_issue:
         sync_issue_module.handle_issue_opened(mock_jira_client, mock_event)
 
@@ -89,8 +89,8 @@ def update_labels(fields=None):
 
     mock_jira_issue.update = MagicMock(side_effect=update_labels)
 
-    with patch('sync_issue._find_jira_issue', return_value=mock_jira_issue), patch(
-        'sync_issue._get_jira_label', side_effect=lambda x: x['name']
+    with patch('src.sync_issue._find_jira_issue', return_value=mock_jira_issue), patch(
+        'src.sync_issue._get_jira_label', side_effect=lambda x: x['name']
     ):
         sync_issue_module.handle_issue_labeled(mock_jira_client, mock_event)
 
diff --git a/tests/test_sync_pr.py b/tests/test_sync_pr.py
index b616474..1a9fe0d 100644
--- a/tests/test_sync_pr.py
+++ b/tests/test_sync_pr.py
@@ -33,8 +33,8 @@ def mock_github():
 
 @pytest.fixture
 def sync_pr_module(mock_github):
-    # Import the module
-    import sync_pr
+    # Import the module from the src directory
+    from src import sync_pr
 
     # Reload the module to ensure the mock is applied
     importlib.reload(sync_pr)
@@ -44,8 +44,8 @@ def sync_pr_module(mock_github):
 
 @pytest.fixture
 def mock_sync_issue():
-    with patch('sync_pr._create_jira_issue') as mock_create_jira_issue, patch(
-        'sync_pr._find_jira_issue', return_value=None
+    with patch('src.sync_pr._create_jira_issue') as mock_create_jira_issue, patch(
+        'src.sync_pr._find_jira_issue', return_value=None
     ) as mock_find_jira_issue:
         yield mock_create_jira_issue, mock_find_jira_issue
 
diff --git a/tests/test_sync_to_jira.py b/tests/test_sync_to_jira.py
index 4fb7850..16d1495 100644
--- a/tests/test_sync_to_jira.py
+++ b/tests/test_sync_to_jira.py
@@ -23,7 +23,7 @@ def sync_to_jira_main(monkeypatch):
     monkeypatch.setattr('jira.JIRA', MagicMock())
 
     # Import the main function dynamically after applying mocks
-    from sync_to_jira import main as dynamically_imported_main
+    from src.sync_to_jira import main as dynamically_imported_main
 
     return dynamically_imported_main
 
@@ -56,6 +56,6 @@ def test_handle_issue_opened_event(mock_environment, sync_to_jira_main, monkeypa
     mock_environment.write_text(json.dumps(event_data))
     monkeypatch.setenv('GITHUB_EVENT_NAME', 'issues')
 
-    with patch('sync_to_jira.handle_issue_opened') as mock_handle_issue_opened:
+    with patch('src.sync_to_jira.handle_issue_opened') as mock_handle_issue_opened:
         sync_to_jira_main()
         mock_handle_issue_opened.assert_called_once()