use mongodb::options::ClientOptions;
use mongodb::Client;
use std::env;
pub async fn create_db_client() -> Client {
let connection_string = env::var("DB_CONNECTION_STRING").expect("DB_CONNECTION_STRING not set");
let client_options = ClientOptions::parse(connection_string).await.unwrap();
let client = Client::with_options(client_options).expect("failed to connect to db");
client
}