FROM python:3.11-slim

# Install system dependencies required for pyheif and libheif
RUN apt-get update && apt-get install -y \
    libheif-dev \
    libheif1 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements file
COPY requirements.txt .

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

# Copy application code
COPY main.py .

# Expose port
EXPOSE 5000

# Set environment variables for Flask
ENV FLASK_APP=main.py
ENV FLASK_RUN_HOST=0.0.0.0

# Run the application
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "main:app"]