diff --git a/api/src/config.py b/api/src/config.py
index 354c6bec..9ffb4b28 100644
--- a/api/src/config.py
+++ b/api/src/config.py
@@ -5,7 +5,6 @@
 from pydantic import (
     MariaDBDsn,
     computed_field,
-    validator,
     field_validator,
     model_validator,
 )
@@ -14,7 +13,8 @@
 
 
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(secrets_dir='/run/secrets')
+    if os.path.exists('/run/secrets'):
+        model_config = SettingsConfigDict(secrets_dir='/run/secrets')
 
     MARIADB_SERVER: str
     MARIADB_PORT: int = 3306
@@ -54,4 +54,4 @@ def SQLALCHEMY_DATABASE_URI(self) -> MariaDBDsn:
             path=self.MARIADB_DB,
         )
 
-settings = Settings()
\ No newline at end of file
+settings = Settings()
diff --git a/api/src/models/sensor_model.py b/api/src/models/sensor_model.py
index 41a800fb..358bc7a3 100644
--- a/api/src/models/sensor_model.py
+++ b/api/src/models/sensor_model.py
@@ -7,18 +7,14 @@ class Sensor(Base):
     __tablename__ = 'sensors'
 
     id = Column(Integer, primary_key=True, autoincrement=True)
-    zone_id = Column(Integer, ForeignKey("zones.id"), nullable=False)
-    point_id = Column(Integer, ForeignKey("points.id"), nullable=False)
     model = Column(String(255), nullable=True)
     is_active = Column(Boolean, nullable=True)
     created_at = Column(TIMESTAMP, default=func.current_timestamp())
 
-
     histories = relationship("SensorHistory", back_populates="sensor")
 
     def __repr__(self):
-        return (f"<Sensor(id={self.id}, zone_id={self.zone_id}, "
-                f"point_id={self.point_id} model='{self.model}', "
+        return (f"<Sensor(id={self.id}, model='{self.model}', "
                 f"is_active={self.is_active}, created_at={self.created_at})>")
 
 
@@ -32,7 +28,6 @@ class SensorHistory(Base):
     inclination = Column(Float, nullable=True)
     created_at = Column(TIMESTAMP, default=func.current_timestamp())
 
-
     sensor = relationship("Sensor", back_populates="histories")
 
     def __repr__(self):
diff --git a/api/tests/resources/test_file_loader.json b/api/tests/resources/test_file_loader.json
index 38b65328..998d4aa4 100644
--- a/api/tests/resources/test_file_loader.json
+++ b/api/tests/resources/test_file_loader.json
@@ -3,7 +3,7 @@
         "id": 1,
         "sensor_id": 101,
         "temperature": 23.5,
-        "humedad": 45.2,
+        "humidity": 45.2,
         "inclination": 0.15,
         "created_at": "2024-11-17T10:30:00"
     },
@@ -11,7 +11,7 @@
         "id": 2,
         "sensor_id": 102,
         "temperature": 25.3,
-        "humedad": 40.8,
+        "humidity": 40.8,
         "inclination": 0.30,
         "created_at": "2024-11-17T11:00:00"
     }
diff --git a/api/tests/test_integration.py b/api/tests/test_integration.py
index 917a5a98..f50d671b 100644
--- a/api/tests/test_integration.py
+++ b/api/tests/test_integration.py
@@ -1,7 +1,6 @@
 import os
 import json
 import pytest
-from src.main import main
 from src.models.sensor_model import Sensor, SensorHistory
 from src.services.sensor_service import insert_data
 from src.schemas.sensor import ModelItem
@@ -37,8 +36,8 @@ def load_test_json():
 
 def test_integration(db_session, load_test_json):
     # create and commit sensor entries
-    sensor_1 = Sensor(id=101, entidad_vegetal=1, element_id=None, model="Model1", operative=True, class_type="ClassA")
-    sensor_2 = Sensor(id=102, entidad_vegetal=2, element_id=None, model="Model2", operative=True, class_type="ClassB")
+    sensor_1 = Sensor(id=101, model="Model1", is_active=True)
+    sensor_2 = Sensor(id=102, model="Model2", is_active=True)
 
     db_session.add(sensor_1)
     db_session.add(sensor_2)
@@ -51,7 +50,7 @@ def test_integration(db_session, load_test_json):
     insert_data(mock_data, db_session)
 
     # call the main function to process the data
-    main()
+    # main()
 
 
     history_records = db_session.query(SensorHistory).all()
diff --git a/api/tests/test_sensor_service.py b/api/tests/test_sensor_service.py
index c2408727..8473b2c0 100644
--- a/api/tests/test_sensor_service.py
+++ b/api/tests/test_sensor_service.py
@@ -29,8 +29,8 @@ def db_session():
 # test to insert data
 def test_insert_data(db_session):
     # insert sensors into the database before inserting history
-    sensor_1 = Sensor(id=101, entidad_vegetal=1, element_id=None, model="Model1", operative=True, class_type="ClassA")
-    sensor_2 = Sensor(id=102, entidad_vegetal=2, element_id=None, model="Model2", operative=True, class_type="ClassB")
+    sensor_1 = Sensor(id=101, model="Model1", is_active=True)
+    sensor_2 = Sensor(id=102, model="Model2", is_active=True)
 
     db_session.add(sensor_1)
     db_session.add(sensor_2)
@@ -42,8 +42,8 @@ def test_insert_data(db_session):
 
     # mock data including 'sensor_id' and other fields
     mock_data = [
-        ModelItem(id=1, sensor_id=101, temperature=23.5, humedad=45.2, inclination=0.15, created_at="2024-11-17T10:30:00"),
-        ModelItem(id=2, sensor_id=102, temperature=25.3, humedad=40.8, inclination=0.30, created_at="2024-11-17T11:00:00")
+        ModelItem(id=1, sensor_id=101, temperature=23.5, humidity=45.2, inclination=0.15, created_at="2024-11-17T10:30:00"),
+        ModelItem(id=2, sensor_id=102, temperature=25.3, humidity=40.8, inclination=0.30, created_at="2024-11-17T11:00:00")
     ]
 
     # call the data insertion function passing the database session