Dockerfile

FROM python:3.10-slim

# Install dependencies
RUN apt-get update && apt-get install -y git curl && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Create a local cache dir for HuggingFace models
ENV TRANSFORMERS_CACHE=/app/.cache/huggingface
ENV HF_HOME=/app/.cache/huggingface

# Copy source files
COPY . /app

# Install Python packages
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Preload model into cache
RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"

# Expose port for Hugging Face Spaces
ENV PORT 7860

# Launch FastAPI with Uvicorn
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]