# Base image
FROM python:3.10-slim

# Prevents python from writing pyc files to disk
ENV PYTHONDONTWRITEBYTECODE=1
# Ensures stdout and stderr are sent straight to the terminal without buffering
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

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

# Set writable cache directories for Hugging Face / Transformers
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HF_HOME=/tmp/huggingface_cache

# Copy requirements
COPY requirements.txt .

# Install Python dependencies
RUN pip install --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy project files
COPY . .

# Expose port
EXPOSE 7860

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