| # Hugging Face Authentication | |
| HF_USERNAME=your_hf_username | |
| HF_TOKEN=your_hf_token_here | |
| # Weights & Biases (optional, for experiment tracking) | |
| WANDB_API_KEY=your_wandb_key_here | |
| WANDB_PROJECT=hf-training | |
| # CUDA Configuration (for your T4 x2 setup) | |
| CUDA_VISIBLE_DEVICES=0,1 | |