FROM python:3.10-slim

# Set environment variables for safe cache locations
ENV TORCH_HOME=/tmp/torch
ENV TRANSFORMERS_CACHE=/tmp/transformers
ENV HF_HOME=/tmp/huggingface

WORKDIR /app

# Install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code and model
COPY app.py .
COPY pretrained_model.pth .

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]