diff --git a/app/dependencies/database.py b/app/dependencies/database.py
new file mode 100644
index 0000000..92c5441
--- /dev/null
+++ b/app/dependencies/database.py
@@ -0,0 +1,5 @@
+from pymongo import MongoClient
+import os
+
+client = MongoClient(host=os.environ["MONGO_HOST"], username=os.environ["MONGO_USER"], password=os.environ["MONGO_PASSWORD"])
+database = client[os.environ["MONGO_DATABASE"]]
\ No newline at end of file
diff --git a/app/dependencies/user_add.py b/app/dependencies/user_add.py
new file mode 100644
index 0000000..9495e2e
--- /dev/null
+++ b/app/dependencies/user_add.py
@@ -0,0 +1,11 @@
+from ..models import users
+from ..dependencies import database
+from passlib.context import CryptContext
+
+
+def add(username="", password="", roles="User", disabled=False):
+    pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+    user = users.User(username=username, password=pwd_context.hash(password), roles=roles, disabled=disabled)
+    user_repository = users.UserRepository(database=database.database)
+    user_repository.save(user)
+    print("{O} added".format(username))
diff --git a/app/dependencies/users_active.py b/app/dependencies/users_active.py
index 0078b75..a4f04e7 100644
--- a/app/dependencies/users_active.py
+++ b/app/dependencies/users_active.py
@@ -1,6 +1,7 @@
 from datetime import datetime, timedelta
 from typing import Annotated
 
+from pymongo import MongoClient
 from fastapi import Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordBearer
 from jose import JWTError, jwt
diff --git a/app/main.py b/app/main.py
index 28a1294..6e098ec 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,13 +1,18 @@
 from fastapi import FastAPI
 
 from .routers import users, token
-
+from .dependencies import user_add
 
 app = FastAPI()
 
 app.include_router(users.router)
 app.include_router(token.router)
 
+
+@app.on_event("startup")
+async def startup_event():
+    user_add.add(username="Peter93", password="toto", roles="Admin")
+
 @app.get("/")
 async def root():
     return {"message": "Hello World !"}
\ No newline at end of file
diff --git a/app/routers/users.py b/app/routers/users.py
index 33952f7..52a57e6 100644
--- a/app/routers/users.py
+++ b/app/routers/users.py
@@ -1,5 +1,5 @@
 from fastapi import APIRouter, Depends
-from ..dependencies import users_active, permissions_checker
+from ..dependencies import users_active, permissions_checker, database
 from ..models import users
 from typing import Annotated