removed static creds

src/account/db.rs

@@ -5,7 +5,9 @@ use mongodb::{
     Client, Collection, Database,
 };
 pub async fn get_db_client() -> Result<Client> {
-    Ok(Client::with_uri_str("mongodb://root:example@localhost:27017").await?)
+    let username = std::env::var("DB_USERNAME")?;
+    let password = std::env::var("DB_PASSWORD")?;
+    Ok(Client::with_uri_str(format!("mongodb://{username}:{password}@localhost:27017")).await?)
 }
 
 pub async fn get_database() -> Result<Database> {