FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for Pillow and file type detection
RUN apt-get update && apt-get install -y \
    gcc \
    libmagic1 \
    libjpeg-dev \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create directories for thumbnails cache
RUN mkdir -p /tmp/thumbnails

# Expose port
EXPOSE 8000

# Run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]