o the path of the directory containing the images. 
The OUTPUT_DIR variables is optional and specifies where to save the model to on the Hub:


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export MODEL_NAME="runwayml/stable-diffusion-v1-5"
export INSTANCE_DIR="path-to-instance-images"
export OUTPUT_DIR="path-to-save-model"
There are some flags to be aware of before you start training:
--push_to_hub stores the trained LoRA embeddings on the Hub.
--report_to=wandb reports and logs t