backend-collector/app/main.py

from fastapi import FastAPI

from .routers import users, token, mail
from .dependencies import user_add

app = FastAPI()

app.include_router(users.router)
app.include_router(token.router)
app.include_router(mail.router)


@app.on_event("startup")
async def startup_event():
    user_add.add(username="Peter93", password="toto", roles="Admin")
    user_add.add(username="Robert80", password="titi", roles="User")

@app.get("/")
async def root():
    return {"message": "Hello World !"}