Missing logging / alert when back-end crashes

[Lance Martin]

Back-end crashed according to Railway.

Did not see clear logging / alert in Sentry.

Last logging:

2023-05-02 17:31:03,008 loglevel=INFO   logger=evaluator_app grade_model_retrieval() L206  `Grading relevance of retrieved docs ...`
INFO:     Shutting down
2023-05-02 17:38:48,691 loglevel=INFO   logger=uvicorn.error shutdown() L253  Shutting down
INFO:     Waiting for application shutdown.
2023-05-02 17:38:48,793 loglevel=INFO   logger=uvicorn.error shutdown() L66   Waiting for application shutdown.
INFO:     Application shutdown complete.
2023-05-02 17:38:48,793 loglevel=INFO   logger=uvicorn.error shutdown() L77   Application shutdown complete.
INFO:     Finished server process [1]
2023-05-02 17:38:48,793 loglevel=INFO   logger=uvicorn.error serve() L85   Finished server process [1]

Not quite obvious why it crashed based on this logging.