trainer:
  callbacks:
    - class_path: pytorch_lightning.callbacks.LearningRateMonitor
      init_args:
        logging_interval: epoch
    - class_path: pytorch_lightning.callbacks.ModelCheckpoint
      init_args:
        filename: best
        save_last: False
        save_top_k: 1
        monitor: train_loss
        mode: min
  max_epochs: 3