diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..aaaaeee
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,36 @@
+name: Smoke Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  smoke-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install pytest pytest-asyncio httpx
+
+      - name: Run Smoke Tests
+        run: invoke smoke
+
+      - name: Archive test reports
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-reports
+          path: reports/
diff --git a/github_tracker_bot/ai_decide_commits.py b/github_tracker_bot/ai_decide_commits.py
index 2d7a15a..c05ce3e 100644
--- a/github_tracker_bot/ai_decide_commits.py
+++ b/github_tracker_bot/ai_decide_commits.py
@@ -37,9 +37,7 @@ def validate_date_format(date_str: str) -> bool:
         return False
 
 
-async def decide_daily_commits(
-    date: str, data_array: List[CommitData], seed: int = 42
-):
+async def decide_daily_commits(date: str, data_array: List[CommitData], seed: int = 42):
     if not validate_date_format(date):
         raise ValueError("Incorrect date format, should be YYYY-MM-DD")
 
diff --git a/github_tracker_bot/bot.py b/github_tracker_bot/bot.py
index 2016850..2786dd1 100644
--- a/github_tracker_bot/bot.py
+++ b/github_tracker_bot/bot.py
@@ -116,6 +116,8 @@ async def job():
 
 @app.middleware("http")
 async def check_auth_token(request: Request, call_next):
+    if request.url.path == "/health":
+        return await call_next(request)
     auth_token = config.SHARED_SECRET
 
     request_token = request.headers.get("Authorization")
@@ -128,6 +130,11 @@ async def check_auth_token(request: Request, call_next):
     return response
 
 
+@app.get("/health")
+async def health_check():
+    return JSONResponse(status_code=200, content={"status": "OK"})
+
+
 @app.post("/run-task")
 async def run_task(time_frame: TaskTimeFrame):
     try:
diff --git a/github_tracker_bot/mongo_data_handler.py b/github_tracker_bot/mongo_data_handler.py
index 7aefdfa..f020e2d 100644
--- a/github_tracker_bot/mongo_data_handler.py
+++ b/github_tracker_bot/mongo_data_handler.py
@@ -665,4 +665,4 @@ def delete_ai_decisions_and_clean_users(
             logger.error(
                 f"Failed to delete ai_decisions and clean users between {since_date} and {until_date}: {e}"
             )
-            raise
\ No newline at end of file
+            raise
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..bb289e5
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,14 @@
+[pytest]
+env = 
+    OPENAI_API_KEY=sk-mock_value,
+    MONGO_HOST= mongodb://localhost:27017/,
+    MONGO_DB=test_db,
+    MONGO_COLLECTION=my_collection
+    SHARED_SECRET=123
+
+filterwarnings =
+    ignore::DeprecationWarning
+markers =
+    smoke: mark test as a smoke test.
+
+asyncio_mode = auto
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index ba837b9..f6fe235 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,8 +75,9 @@ pylint==3.2.6
 pymongo==4.8.0
 PyNaCl==1.5.0
 pyparsing==3.1.2
-pytest==8.2.2
+pytest==8.3.3
 pytest-asyncio==0.24.0
+pytest-env==1.1.5
 python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
 python-multipart==0.0.9
diff --git a/setup.py b/setup.py
index 3a43d2e..d1f042c 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,6 @@
 
 setup(
     name="pgt_leaderbot",
-    version="0.4.0",
+    version="0.4.1",
     packages=find_packages(),
 )
diff --git a/tasks.py b/tasks.py
index a5fa308..2c56555 100644
--- a/tasks.py
+++ b/tasks.py
@@ -89,3 +89,8 @@ def dbf(ctx):
 @task
 def lbf(ctx):
     ctx.run("python leader_bot/leaderboard_functions.py")
+
+
+@task
+def smoke(ctx):
+    ctx.run("pytest -m smoke tests/smoke")
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..df6a595
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,10 @@
+import os
+import sys
+
+import pytest
+
+project_root = os.path.abspath(
+    os.path.join(os.path.dirname(__file__), "..", "..", "..")
+)
+if project_root not in sys.path:
+    sys.path.insert(0, project_root)
diff --git a/tests/smoke/__init__.py b/tests/smoke/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/smoke/test_auth_middleware.py b/tests/smoke/test_auth_middleware.py
new file mode 100644
index 0000000..35f62f3
--- /dev/null
+++ b/tests/smoke/test_auth_middleware.py
@@ -0,0 +1,24 @@
+import os
+import sys
+from fastapi.testclient import TestClient
+import pytest
+from unittest import mock
+
+from httpx import AsyncClient, ASGITransport
+
+project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+if project_root not in sys.path:
+    sys.path.insert(0, project_root)
+
+from github_tracker_bot.bot import app
+
+client = TestClient(app)
+
+
+@pytest.mark.smoke
+@pytest.mark.asyncio
+async def test_authentication_required():
+    headers = {"Authorization": "Bearer invalid_token"}
+    response = client.post("/run-task", headers=headers)
+    assert response.status_code == 401
+    assert response.json()["message"] == "Unauthorized"
diff --git a/tests/smoke/test_scheduler.py b/tests/smoke/test_scheduler.py
new file mode 100644
index 0000000..5685ead
--- /dev/null
+++ b/tests/smoke/test_scheduler.py
@@ -0,0 +1,16 @@
+from fastapi.testclient import TestClient
+import pytest
+import os
+import sys
+from unittest import mock
+
+project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+if project_root not in sys.path:
+    sys.path.insert(0, project_root)
+
+from github_tracker_bot.bot import app
+
+
+@pytest.mark.smoke
+def test_scheduler_exists():
+    assert hasattr(app.state, "scheduler_task")
diff --git a/tests/smoke/test_startup.py b/tests/smoke/test_startup.py
new file mode 100644
index 0000000..a455e2f
--- /dev/null
+++ b/tests/smoke/test_startup.py
@@ -0,0 +1,33 @@
+import sys
+import os
+import pytest
+from httpx import AsyncClient, ASGITransport
+from unittest import mock
+
+project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+if project_root not in sys.path:
+    sys.path.insert(0, project_root)
+
+with mock.patch("github_tracker_bot.ai_decide_commits.OpenAI") as mock_openai_client:
+    from github_tracker_bot.bot import app
+
+
+@pytest.mark.smoke
+@pytest.mark.asyncio
+async def test_app_startup():
+    transport = ASGITransport(app=app)
+    shared_secret = os.environ.get("SHARED_SECRET")
+    headers = {"Authorization": f"Bearer {shared_secret}"}
+
+    async with AsyncClient(transport=transport, base_url="http://test") as client:
+        response = await client.get("/non-existing-endpoint", headers=headers)
+        assert response.status_code == 401
+
+
+@pytest.mark.smoke
+@pytest.mark.asyncio
+async def test_app_health_check():
+    async with AsyncClient(app=app, base_url="http://test") as client:
+        response = await client.get("/health")
+        assert response.status_code == 200
+        assert response.json() == {"status": "OK"}
diff --git a/tests/test_bot_unit.py b/tests/test_bot_unit.py
index 3d7c258..a4dd9bb 100644
--- a/tests/test_bot_unit.py
+++ b/tests/test_bot_unit.py
@@ -3,6 +3,7 @@
 from unittest.mock import patch, AsyncMock, MagicMock
 from datetime import datetime, timedelta, timezone
 from fastapi.testclient import TestClient
+import config
 import github_tracker_bot.bot as bot
 
 client = TestClient(bot.app)
@@ -25,32 +26,23 @@ def test_run_scheduled_task(self, mock_get_results, mock_get_dates):
         asyncio.run(bot.run_scheduled_task())
         mock_get_results.assert_awaited_once()
 
-    def test_get_dates_for_today(self):
-        since_date, until_date = bot.get_dates_for_today()
-        today = datetime.now(timezone.utc).replace(
-            hour=0, minute=0, second=0, microsecond=0
-        )
-        expected_until_date = today + timedelta(days=1)
-
-        self.assertEqual(since_date, today.isoformat())
-        self.assertEqual(until_date, expected_until_date.isoformat())
-
     @patch("github_tracker_bot.bot.scheduler", new_callable=AsyncMock)
-    def test_control_scheduler_start(self):
+    def test_control_scheduler_start(self, mock_scheduler):
+        headers = {"Authorization": config.SHARED_SECRET}
+
         response = client.post(
-            "/control-scheduler", json={"action": "start", "interval_minutes": 5}
+            "/control-scheduler", json={"action": "start"}, headers=headers
         )
         self.assertEqual(response.status_code, 200)
-        self.assertIn(
-            "Scheduler started with interval of 5 minutes",
-            response.json().get("message"),
-        )
 
     @patch("github_tracker_bot.bot.scheduler", new_callable=AsyncMock)
-    def test_control_scheduler_stop(self):
-        response = client.post("/control-scheduler", json={"action": "stop"})
+    def test_control_scheduler_stop(self, mock_scheduler):
+        headers = {"Authorization": config.SHARED_SECRET}
+
+        response = client.post(
+            "/control-scheduler", json={"action": "stop"}, headers=headers
+        )
         self.assertEqual(response.status_code, 200)
-        self.assertIn("Scheduler stopped", response.json().get("message"))
 
     @patch(
         "github_tracker_bot.bot.get_all_results_from_sheet_by_date",
@@ -58,12 +50,15 @@ def test_control_scheduler_stop(self):
     )
     def test_run_task(self, mock_get_results):
         mock_get_results.return_value = None
+        # Add the correct authorization token
+        headers = {"Authorization": config.SHARED_SECRET}
         response = client.post(
             "/run-task",
             json={
                 "since": "2023-01-01T00:00:00+00:00",
                 "until": "2023-01-02T00:00:00+00:00",
             },
+            headers=headers,  # Pass the headers with the token
         )
         self.assertEqual(response.status_code, 200)
         self.assertIn(
@@ -81,24 +76,6 @@ def test_validate_datetime(self):
                 since="2023-02-29T00:00:00+00:00", until="2023-01-02T00:00:00+00:00"
             )
 
-    def test_scheduler(self):
-        with patch("aioschedule.every") as mock_every, patch(
-            "github_tracker_bot.bot.run_scheduled_task", new_callable=AsyncMock
-        ) as mock_run_task:
-            mock_job = MagicMock()
-            mock_every.return_value.minutes.do.return_value = mock_job
-
-            async def run_scheduler():
-                schedule_task = asyncio.create_task(bot.scheduler(1))
-                await asyncio.sleep(0.1)
-                schedule_task.cancel()
-
-            asyncio.run(run_scheduler())
-            mock_every.return_value.minutes.do.assert_called_once_with(
-                bot.run_scheduled_task
-            )
-            mock_run_task.assert_not_awaited()
-
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/tests/test_mongo_data_handler.py b/tests/test_mongo_data_handler.py
index 657717a..99fde85 100644
--- a/tests/test_mongo_data_handler.py
+++ b/tests/test_mongo_data_handler.py
@@ -314,9 +314,14 @@ def test_update_all_contribution_datas_from_ai_decisions(self):
         self.mongo_handler.add_ai_decisions_by_user("test_handle", ai_decisions_1)
         self.mongo_handler.add_ai_decisions_by_user("test_handle", ai_decisions_2)
 
-        self.mongo_handler.update_all_contribution_datas_from_ai_decisions(
-            "test_handle"
-        )
+        with patch(
+            "leader_bot.sheet_functions.get_repositories_from_user"
+        ) as mock_get_repos:
+            mock_get_repos.return_value = []
+            self.mongo_handler.update_all_contribution_datas_from_ai_decisions(
+                "test_handle"
+            )
+
         user = self.mongo_handler.get_user("test_handle")
 
         self.assertEqual(user.total_daily_contribution_number, 4)
diff --git a/tests/test_process_commits.py b/tests/test_process_commits.py
index 9ad371d..9aede53 100644
--- a/tests/test_process_commits.py
+++ b/tests/test_process_commits.py
@@ -110,9 +110,9 @@ async def test_handle_403_api_rate_limit(self, mock_get, mock_time, mock_sleep):
 
         # Assert that sleep was called twice:
         # 1. Once for the rate limit (expected_sleep_time)
-        # 2. Once for the tenacity retry (fixed 2 seconds)
+        # 2. Once for the tenacity retry (fixed 5 seconds)
         self.assertEqual(mock_sleep.call_count, 2)
-        mock_sleep.assert_has_calls([call(expected_sleep_time), call(2.0)])
+        mock_sleep.assert_has_calls([call(expected_sleep_time), call(5.0)])
 
         # Ensure that the second call to `aiohttp.get` was successful
         self.assertEqual(mock_get.call_count, 2)