diff --git a/.env b/.env
new file mode 100644
index 0000000..e1581a6
--- /dev/null
+++ b/.env
@@ -0,0 +1,3 @@
+MONGO_URI=mongodb://localhost:27017/quiz_app
+FLASK_ENV=development
+DEBUG=True
diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..e69de29
diff --git a/app/blueprints/__init__.py b/app/blueprints/__init__.py
index 85b8a28..7f5acaa 100644
--- a/app/blueprints/__init__.py
+++ b/app/blueprints/__init__.py
@@ -1,2 +1,3 @@
-from .auth import auth_blueprint
-from .user import user_blueprint
+from .default import default_blueprint
+from .auth import auth_blueprint
+from .user import user_blueprint
diff --git a/app/blueprints/__pycache__/__init__.cpython-313.pyc b/app/blueprints/__pycache__/__init__.cpython-313.pyc
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diff --git a/app/blueprints/__pycache__/auth.cpython-313.pyc b/app/blueprints/__pycache__/auth.cpython-313.pyc
index 8e3ae6f..9ef86f9 100644
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diff --git a/app/blueprints/__pycache__/default.cpython-313.pyc b/app/blueprints/__pycache__/default.cpython-313.pyc
new file mode 100644
index 0000000..882f720
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diff --git a/app/blueprints/__pycache__/user.cpython-313.pyc b/app/blueprints/__pycache__/user.cpython-313.pyc
index b4ca44f..e870b81 100644
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diff --git a/app/blueprints/auth.py b/app/blueprints/auth.py
index 246b968..e2d83fd 100644
--- a/app/blueprints/auth.py
+++ b/app/blueprints/auth.py
@@ -1,22 +1,22 @@
-from flask import Blueprint
-from controllers import AuthController
-
-# Inisialisasi blueprint
-auth_blueprint = Blueprint("auth", __name__)
-auth_controller = AuthController()
-
-
-# Daftarkan rute ke controller
-@auth_blueprint.route("/register", methods=["POST"])
-def register():
-    return auth_controller.register()
-
-
-@auth_blueprint.route("/login", methods=["POST"])
-def login():
-    return auth_controller.login()
-
-
-@auth_blueprint.route("/logout", methods=["DELETE"])
-def logout():
-    return auth_controller.logout()
+from flask import Blueprint
+from controllers import AuthController
+
+# Inisialisasi blueprint
+auth_blueprint = Blueprint("auth", __name__)
+auth_controller = AuthController()
+
+
+# Daftarkan rute ke controller
+@auth_blueprint.route("/register", methods=["POST"])
+def register():
+    return auth_controller.register()
+
+
+@auth_blueprint.route("/login", methods=["POST"])
+def login():
+    return auth_controller.login()
+
+
+@auth_blueprint.route("/logout", methods=["DELETE"])
+def logout():
+    return auth_controller.logout()
diff --git a/app/blueprints/default.py b/app/blueprints/default.py
new file mode 100644
index 0000000..1d9d63e
--- /dev/null
+++ b/app/blueprints/default.py
@@ -0,0 +1,9 @@
+from flask import Blueprint
+
+
+default_blueprint = Blueprint("default", __name__)
+
+
+@default_blueprint.route("/")
+def home():
+    return "Welcome to the Home Page!"
diff --git a/app/blueprints/user.py b/app/blueprints/user.py
index 000ae7e..2a5b93f 100644
--- a/app/blueprints/user.py
+++ b/app/blueprints/user.py
@@ -1,12 +1,12 @@
-# /blueprints/user.py
-
-from flask import Blueprint
-from controllers import UserController
-
-user_blueprint = Blueprint("user", __name__)
-user_controller = UserController()
-
-
-@user_blueprint.route("/users", methods=["GET"])
-def get_users():
-    return user_controller.get_users()
+# /blueprints/user.py
+
+from flask import Blueprint
+from controllers import UserController
+
+user_blueprint = Blueprint("user", __name__)
+user_controller = UserController()
+
+
+@user_blueprint.route("/users", methods=["GET"])
+def get_users():
+    return user_controller.get_users()
diff --git a/app/configs/__init__.py b/app/configs/__init__.py
new file mode 100644
index 0000000..cca5d9b
--- /dev/null
+++ b/app/configs/__init__.py
@@ -0,0 +1 @@
+from .config import Config
diff --git a/app/configs/__pycache__/__init__.cpython-313.pyc b/app/configs/__pycache__/__init__.cpython-313.pyc
new file mode 100644
index 0000000..174ed44
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diff --git a/app/configs/__pycache__/config.cpython-313.pyc b/app/configs/__pycache__/config.cpython-313.pyc
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index 0000000..1359752
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diff --git a/app/configs/config.py b/app/configs/config.py
new file mode 100644
index 0000000..9ffc32b
--- /dev/null
+++ b/app/configs/config.py
@@ -0,0 +1,18 @@
+import os
+from dotenv import load_dotenv
+
+load_dotenv()  # Load environment variables from .env
+
+
+class Config:
+    MONGO_URI = os.getenv(
+        "MONGO_URI", "mongodb://localhost:27017/quiz_app"
+    )  # Default value if not set
+
+    FLASK_ENV = os.getenv("FLASK_ENV", "development")  # Default to development
+
+    DEBUG = os.getenv("DEBUG", "True").lower() in [
+        "true",
+        "1",
+        "t",
+    ]  # Convert string to boolean
diff --git a/app/controllers/__init__.py b/app/controllers/__init__.py
index 9c5757f..2eae1aa 100644
--- a/app/controllers/__init__.py
+++ b/app/controllers/__init__.py
@@ -1,2 +1,2 @@
-from .auth_controller import AuthController
-from .user_controller import UserController
+from .auth_controller import AuthController
+from .user_controller import UserController
diff --git a/app/controllers/__pycache__/auth_controller.cpython-313.pyc b/app/controllers/__pycache__/auth_controller.cpython-313.pyc
index 828020a..7452acf 100644
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diff --git a/app/controllers/auth_controller.py b/app/controllers/auth_controller.py
index aa61132..65c1c76 100644
--- a/app/controllers/auth_controller.py
+++ b/app/controllers/auth_controller.py
@@ -1,19 +1,19 @@
-from flask import jsonify, request
-from services import UserService
-from services import AuthService
-
-
-class AuthController:
-    def __init__(self):
-        self.user_service = UserService()
-        self.auth_service = AuthService()
-
-    def login(self):
-        data = request.get_json()
-        users = self.auth_service.login(data)
-        response = {
-            "status": True,
-            "message": "success retrive data",
-            "data": users,
-        }
-        return jsonify(response)
+from flask import jsonify, request
+from services import UserService
+from services import AuthService
+
+
+class AuthController:
+    def __init__(self):
+        self.user_service = UserService()
+        self.auth_service = AuthService()
+
+    def login(self):
+        data = request.get_json()
+        users = self.auth_service.login(data)
+        response = {
+            "status": True,
+            "message": "success retrive data",
+            "data": users,
+        }
+        return jsonify(response)
diff --git a/app/controllers/lstm_controller.py b/app/controllers/lstm_controller.py
index 09422eb..6493dc7 100644
--- a/app/controllers/lstm_controller.py
+++ b/app/controllers/lstm_controller.py
@@ -1,17 +1,17 @@
-
-
-# # Sample Data Preparation
-#     input_dim = 3  # Example input dimension
-#     hidden_dim = 5  # Example hidden dimension
-#     num_samples = 1000
-#     sequence_length = 10
-
-#     # Generate dummy data for training
-#     X = np.random.randn(num_samples, input_dim, 1)  # Shape (num_samples, input_dim, 1)
-#     y = np.random.randn(
-#         num_samples, hidden_dim, 1
-#     )  # Shape (num_samples, hidden_dim, 1)
-
-#     # Initialize and train the LSTM
-#     lstm = LSTM(input_dim, hidden_dim)
+
+
+# # Sample Data Preparation
+#     input_dim = 3  # Example input dimension
+#     hidden_dim = 5  # Example hidden dimension
+#     num_samples = 1000
+#     sequence_length = 10
+
+#     # Generate dummy data for training
+#     X = np.random.randn(num_samples, input_dim, 1)  # Shape (num_samples, input_dim, 1)
+#     y = np.random.randn(
+#         num_samples, hidden_dim, 1
+#     )  # Shape (num_samples, hidden_dim, 1)
+
+#     # Initialize and train the LSTM
+#     lstm = LSTM(input_dim, hidden_dim)
 #     lstm.train(X, y, num_epochs=10, learning_rate=0.01)
\ No newline at end of file
diff --git a/app/controllers/user_controller.py b/app/controllers/user_controller.py
index 350b29e..cd1935d 100644
--- a/app/controllers/user_controller.py
+++ b/app/controllers/user_controller.py
@@ -1,12 +1,12 @@
-# /controllers/user_controller.py
-from flask import jsonify
-from services import UserService
-
-
-class UserController:
-    def __init__(self):
-        self.user_service = UserService()
-
-    def get_users(self):
-        users = self.user_service.get_all_users()
-        return jsonify(users)
+# /controllers/user_controller.py
+from flask import jsonify
+from services import UserService
+
+
+class UserController:
+    def __init__(self):
+        self.user_service = UserService()
+
+    def get_users(self):
+        users = self.user_service.get_all_users()
+        return jsonify(users)
diff --git a/app/database/__init__.py b/app/database/__init__.py
new file mode 100644
index 0000000..bf18d99
--- /dev/null
+++ b/app/database/__init__.py
@@ -0,0 +1 @@
+from .db import init_db
diff --git a/app/database/__pycache__/__init__.cpython-313.pyc b/app/database/__pycache__/__init__.cpython-313.pyc
new file mode 100644
index 0000000..e78f65b
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diff --git a/app/database/__pycache__/db.cpython-313.pyc b/app/database/__pycache__/db.cpython-313.pyc
new file mode 100644
index 0000000..116d94b
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diff --git a/app/database/db.py b/app/database/db.py
new file mode 100644
index 0000000..4f88ef3
--- /dev/null
+++ b/app/database/db.py
@@ -0,0 +1,11 @@
+from flask_pymongo import PyMongo
+from flask import Flask
+from configs import Config
+
+mongo = PyMongo()
+
+
+def init_db(app: Flask):
+    app.config["MONGO_URI"] = Config.MONGO_URI
+    print(Config.MONGO_URI)
+    mongo.init_app(app)
diff --git a/app/main.py b/app/main.py
index 39a4273..dce2756 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,10 +1,21 @@
-from flask import Flask
-from blueprints import auth_blueprint, user_blueprint
-
-app = Flask(__name__)
-
-app.register_blueprint(auth_blueprint, url_prefix="/api")
-app.register_blueprint(user_blueprint, url_prefix="/api")
-
-if __name__ == "__main__":
-    app.run(debug=True)
+from flask import Flask
+from blueprints import auth_blueprint, user_blueprint, default_blueprint
+from database import init_db
+from configs import Config  # Import the config class
+
+app = Flask(__name__)
+
+# Apply configurations environtment
+app.config["FLASK_ENV"] = Config.FLASK_ENV
+app.config["DEBUG"] = Config.DEBUG
+
+# Initialize database
+init_db(app)
+
+# Register blueprints
+app.register_blueprint(default_blueprint)
+app.register_blueprint(auth_blueprint, url_prefix="/api")
+app.register_blueprint(user_blueprint, url_prefix="/api")
+
+if __name__ == "__main__":
+    app.run(debug=Config.DEBUG)
diff --git a/app/repositories/__init__.py b/app/repositories/__init__.py
index 73ba011..1be638a 100644
--- a/app/repositories/__init__.py
+++ b/app/repositories/__init__.py
@@ -1 +1 @@
-from .user_repository import UserRepository
+from .user_repository import UserRepository
diff --git a/app/repositories/__pycache__/user_repository.cpython-313.pyc b/app/repositories/__pycache__/user_repository.cpython-313.pyc
index 55836a8..0ac12ec 100644
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diff --git a/app/repositories/user_repository.py b/app/repositories/user_repository.py
index 0142264..8b719eb 100644
--- a/app/repositories/user_repository.py
+++ b/app/repositories/user_repository.py
@@ -1,24 +1,24 @@
-class UserRepository:
-    users = [
-        {
-            "id": 1,
-            "name": "akhdan",
-            "email": "akhdanre@gmail.com",
-            "password": "password123",
-        },
-        {
-            "id": 2,
-            "name": "Bob",
-            "email": "bob@example.com",
-            "password": "password123",
-        },
-    ]
-
-    def get_all_users(self):
-        return self.users
-
-    def get_user_by_email(self, email):
-        for user in self.users:
-            if user.get("email") == email:
-                return user
-        return None
+class UserRepository:
+    users = [
+        {
+            "id": 1,
+            "name": "akhdan",
+            "email": "akhdanre@gmail.com",
+            "password": "password123",
+        },
+        {
+            "id": 2,
+            "name": "Bob",
+            "email": "bob@example.com",
+            "password": "password123",
+        },
+    ]
+
+    def get_all_users(self):
+        return self.users
+
+    def get_user_by_email(self, email):
+        for user in self.users:
+            if user.get("email") == email:
+                return user
+        return None
diff --git a/app/services/__init__.py b/app/services/__init__.py
index e3e2049..cd02b82 100644
--- a/app/services/__init__.py
+++ b/app/services/__init__.py
@@ -1,2 +1,2 @@
-from .auth_service import AuthService
-from .user_service import UserService
+from .auth_service import AuthService
+from .user_service import UserService
diff --git a/app/services/__pycache__/user_service.cpython-313.pyc b/app/services/__pycache__/user_service.cpython-313.pyc
index 609b0b5..b818d11 100644
Binary files a/app/services/__pycache__/user_service.cpython-313.pyc and b/app/services/__pycache__/user_service.cpython-313.pyc differ
diff --git a/app/services/auth_service.py b/app/services/auth_service.py
index fbb7c60..f834ef4 100644
--- a/app/services/auth_service.py
+++ b/app/services/auth_service.py
@@ -1,21 +1,21 @@
-from repositories import UserRepository
-
-
-class AuthService:
-    def __init__(self):
-        self.user_repository = UserRepository()
-
-    def login(self, data):
-        email = data.get("email")
-        password = data.get("password")
-
-        user_data = self.user_repository.get_user_by_email(email)
-
-        if user_data == None:
-            return None
-
-        if user_data["password"] == password:
-            del user_data["password"]
-            return user_data
-
-        return None
+from repositories import UserRepository
+
+
+class AuthService:
+    def __init__(self):
+        self.user_repository = UserRepository()
+
+    def login(self, data):
+        email = data.get("email")
+        password = data.get("password")
+
+        user_data = self.user_repository.get_user_by_email(email)
+
+        if user_data == None:
+            return None
+
+        if user_data["password"] == password:
+            del user_data["password"]
+            return user_data
+
+        return None
diff --git a/app/services/lstm.py b/app/services/lstm.py
index 9fad3c1..dd52124 100644
--- a/app/services/lstm.py
+++ b/app/services/lstm.py
@@ -1,53 +1,53 @@
-import numpy as np
-
-
-class LSTM:
-    def __init__(self, input_dim, hidden_dim):
-        self.input_dim = input_dim
-        self.hidden_dim = hidden_dim
-        self.Wf = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wi = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wc = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wo = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.bf = np.zeros((hidden_dim, 1))
-        self.bi = np.zeros((hidden_dim, 1))
-        self.bc = np.zeros((hidden_dim, 1))
-        self.bo = np.zeros((hidden_dim, 1))
-        self.h = np.zeros((hidden_dim, 1))
-        self.c = np.zeros((hidden_dim, 1))
-
-    def sigmoid(self, x):
-        return 1 / (1 + np.exp(-x))
-
-    def tanh(self, x):
-        return np.tanh(x)
-
-    def forward(self, x_t):
-        combined = np.vstack((self.h, x_t))
-        f_t = self.sigmoid(np.dot(self.Wf, combined) + self.bf)
-        i_t = self.sigmoid(np.dot(self.Wi, combined) + self.bi)
-        C_tilde_t = self.tanh(np.dot(self.Wc, combined) + self.bc)
-        self.c = f_t * self.c + i_t * C_tilde_t
-        o_t = self.sigmoid(np.dot(self.Wo, combined) + self.bo)
-        self.h = o_t * self.tanh(self.c)
-        return self.h
-
-    def backward(self, x_t, h_t, y_t, learning_rate):
-        # Your backward pass implementation here
-        pass
-
-    def train(self, X, y, num_epochs, learning_rate):
-        for epoch in range(num_epochs):
-            for i in range(len(X)):
-                x_t = X[i]
-                y_t = y[i]
-
-                # Forward pass
-                h_t = self.forward(x_t)
-
-                # Calculate loss and perform backward pass
-                loss = np.mean((h_t - y_t) ** 2)  # Example loss
-                self.backward(x_t, h_t, y_t, learning_rate)
-
-                if i % 100 == 0:  # Print loss every 100 samples
-                    print(f"Epoch {epoch}, Sample {i}, Loss: {loss}")
+import numpy as np
+
+
+class LSTM:
+    def __init__(self, input_dim, hidden_dim):
+        self.input_dim = input_dim
+        self.hidden_dim = hidden_dim
+        self.Wf = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wi = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wc = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wo = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.bf = np.zeros((hidden_dim, 1))
+        self.bi = np.zeros((hidden_dim, 1))
+        self.bc = np.zeros((hidden_dim, 1))
+        self.bo = np.zeros((hidden_dim, 1))
+        self.h = np.zeros((hidden_dim, 1))
+        self.c = np.zeros((hidden_dim, 1))
+
+    def sigmoid(self, x):
+        return 1 / (1 + np.exp(-x))
+
+    def tanh(self, x):
+        return np.tanh(x)
+
+    def forward(self, x_t):
+        combined = np.vstack((self.h, x_t))
+        f_t = self.sigmoid(np.dot(self.Wf, combined) + self.bf)
+        i_t = self.sigmoid(np.dot(self.Wi, combined) + self.bi)
+        C_tilde_t = self.tanh(np.dot(self.Wc, combined) + self.bc)
+        self.c = f_t * self.c + i_t * C_tilde_t
+        o_t = self.sigmoid(np.dot(self.Wo, combined) + self.bo)
+        self.h = o_t * self.tanh(self.c)
+        return self.h
+
+    def backward(self, x_t, h_t, y_t, learning_rate):
+        # Your backward pass implementation here
+        pass
+
+    def train(self, X, y, num_epochs, learning_rate):
+        for epoch in range(num_epochs):
+            for i in range(len(X)):
+                x_t = X[i]
+                y_t = y[i]
+
+                # Forward pass
+                h_t = self.forward(x_t)
+
+                # Calculate loss and perform backward pass
+                loss = np.mean((h_t - y_t) ** 2)  # Example loss
+                self.backward(x_t, h_t, y_t, learning_rate)
+
+                if i % 100 == 0:  # Print loss every 100 samples
+                    print(f"Epoch {epoch}, Sample {i}, Loss: {loss}")
diff --git a/app/services/user_service.py b/app/services/user_service.py
index a9da91e..bd5d5e2 100644
--- a/app/services/user_service.py
+++ b/app/services/user_service.py
@@ -1,9 +1,9 @@
-from repositories import UserRepository
-
-
-class UserService:
-    def __init__(self):
-        self.user_repository = UserRepository()
-
-    def get_all_users(self):
-        return self.user_repository.get_all_users()
+from repositories import UserRepository
+
+
+class UserService:
+    def __init__(self):
+        self.user_repository = UserRepository()
+
+    def get_all_users(self):
+        return self.user_repository.get_all_users()
diff --git a/requirement.txt b/requirement.txt
index 34fec9b..2f43e12 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,4 +1,5 @@
-Flask==3.0.3
-numpy==2.1.2
-pymongo
-Flask-PyMongo
+Flask==3.0.3
+numpy==2.1.2
+pymongo
+Flask-PyMongo
+python-dotenv