FROM python:3.9-slim

# Install Java (required by STOUT)
RUN apt-get update && \
    apt-get install -y openjdk-21-jre-headless && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Create data directory for PyStow with proper permissions
RUN mkdir -p /app/.data && chmod 777 /app/.data

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY app.py .

# Expose port
EXPOSE 7860

# Set environment variables
ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64
ENV PYSTOW_HOME=/app/.data

# Run the application
CMD ["python", "app.py"]