diff --git a/src/requirements.txt b/src/requirements.txt
deleted file mode 100644
index 1a5bbf3..0000000
--- a/src/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-jwt-auth @ git+https://github.com/agabrielcorujo/jwt-auth.git
\ No newline at end of file
diff --git a/src/server/controllers/example_controller.py b/src/server/controllers/example_controller.py
index 66474bb..fb880ca 100644
--- a/src/server/controllers/example_controller.py
+++ b/src/server/controllers/example_controller.py
@@ -1,21 +1,21 @@
-from jwt_auth.db import safe_query #syntax: result = safe_query(query,(param1,param2...),fetch="one/all",insert=True/False)
-import boto3 as aws
-from dotenv import load_dotenv
 import os
+from schemas.schema import SampleRequest
+from services.service import sample_service,AppError
+from fastapi import HTTPException
 
-class AppError(Exception):
-    def __init__(self, message: str, status_code: int = 400):
-        self.message = message
-        self.status_code = status_code
-        super().__init__(message)
 
-def sample_function(userid:str,param:type)->type:
+def sample_controller(request:SampleRequest)->type:
 
-    if ... : #something goes wrong
+    try:
 
-        raise AppError(message="something went wrong",status_code="some status code")
+        result = sample_service(request.request_param1)
 
-    return ...
+    except AppError as error:
+        
+        raise HTTPException(
+            detail=error.message,
+            status_code=error.status_code
+        )
 
 
 import hashlib
diff --git a/src/server/requirements.txt b/src/server/requirements.txt
index a22e59f..3eb23a6 100644
--- a/src/server/requirements.txt
+++ b/src/server/requirements.txt
@@ -1,2 +1 @@
-jwt-auth @ git+https://github.com/agabrielcorujo/jwt-auth.git
-boto3
\ No newline at end of file
+jwt-auth @ git+https://github.com/agabrielcorujo/jwt-auth.git@main
\ No newline at end of file
diff --git a/src/server/routes/example_route.py b/src/server/routes/example_route.py
index de23b46..3cb740d 100644
--- a/src/server/routes/example_route.py
+++ b/src/server/routes/example_route.py
@@ -1,40 +1,20 @@
-from fastapi import Depends,APIRouter, HTTPException
+from fastapi import Depends,APIRouter
 from fastapi.security import OAuth2PasswordBearer
-from pydantic import BaseModel 
-from typing import Optional
-from jwt_auth.jwt_auth import decode_access_token
+from jwt_auth.services.auth_services import decode_access_token
 from controllers.example_controller import (
-    AppError,
-    sample_function
+    sample_controller
 )
+import schemas.schema as schema
 
 router = APIRouter()
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/auth/login")
 
-class SampleRequest(BaseModel): #used for post, put, patch and delete requests
-    request_param1: str #required parameter
-    request_param2: Optional[str] = None #not required, optional parameter
-
 
 @router.get("/sample-endpoint")
-def sample_endpoint(Request:SampleRequest,token:str = Depends(oauth2_scheme)):
+def sample_endpoint(Request:schema.SampleRequest,token:str = Depends(oauth2_scheme)):
 
     user_id = decode_access_token(token) #this automatically raises 401 unauthorized if the token is invalid
 
-    try:
-        #do something by calling functions in business_logic.py
-        variable1 = Request.request_param1
-
-        sample_function(user_id,variable1)
-        ...
-
-    except AppError as Err:
-
-        raise HTTPException(
-            status_code=Err.status_code,
-            detail=Err.message
-        )
-
-    return {"response":"some response"}
+    return sample_controller(Request)
 
diff --git a/src/server/schemas/schema.py b/src/server/schemas/schema.py
new file mode 100644
index 0000000..3447db8
--- /dev/null
+++ b/src/server/schemas/schema.py
@@ -0,0 +1,6 @@
+from typing import Optional
+from pydantic import BaseModel 
+
+class SampleRequest(BaseModel): #used for post, put, patch and delete requests
+    request_param1: str #required parameter
+    request_param2: Optional[str] = None #not required, optional parameter
\ No newline at end of file
diff --git a/src/server/server.py b/src/server/server.py
index 6745626..c12f128 100644
--- a/src/server/server.py
+++ b/src/server/server.py
@@ -1,5 +1,5 @@
 from fastapi import FastAPI
-from jwt_auth.auth_router import router as auth_router
+from jwt_auth.services.auth_services import router as auth_router
 from routes.example_route import router as business_router
 from fastapi.middleware.cors import CORSMiddleware
 
diff --git a/src/server/LLM/chatbot.ipynb b/src/server/services/LLM/chatbot.ipynb
similarity index 100%
rename from src/server/LLM/chatbot.ipynb
rename to src/server/services/LLM/chatbot.ipynb
diff --git a/src/server/services/service.py b/src/server/services/service.py
new file mode 100644
index 0000000..aa11af9
--- /dev/null
+++ b/src/server/services/service.py
@@ -0,0 +1,14 @@
+class AppError(Exception):
+    def __init__(self, message: str, status_code: int = 400):
+        self.message = message
+        self.status_code = status_code
+        super().__init__(message)
+
+def sample_service(variable:str):
+
+    condition = ...
+
+    if condition:
+        raise AppError("error message",400)
+    
+    return ...
\ No newline at end of file