FROM python:3.10

# Install system dependencies (ffmpeg is required for audio conversions)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy requirements file first to utilize Docker cache
COPY requirements.txt .

# Install Python packages (fixes openai-whisper pkg_resources build error)
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir setuptools==69.5.1 wheel numpy==1.26.4
RUN pip install --no-cache-dir --no-build-isolation openai-whisper==20231117
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY . .

# Expose port 7860 for Hugging Face Spaces
EXPOSE 7860

# Start FastAPI application on port 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]