model_list:
 - model_name: fake-openai-endpoint
   litellm_params:
     model: openai/fake
     api_key: fake-key
     api_base: https://exampleopenaiendpoint-production.up.railway.app/
general_settings: 
 master_key: sk-1234 
 custom_auth: custom_auth_basic.user_api_key_auth