app/database/db.py

import os
from pymongo.mongo_client import MongoClient
from pymongo.server_api import ServerApi


uri = os.getenv('MONGO_URI')

mongo_uri = os.getenv('MONGO_URI')
if not mongo_uri:
    raise ValueError("MONGO_URI environment variable is not set")


def get_db():
    client = MongoClient(uri, server_api=ServerApi('1'))
    try:
        client.admin.command('ping')
    except Exception as e:
        print(e)
    return client.get_database("dermai")

db = get_db()