FROM python:3.11

WORKDIR /code

# Copy requirements file first for better caching
COPY requirements.txt /code/requirements.txt

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

# Copy application code
COPY app /code/app

# Set proper permissions for app files
RUN chmod -R 755 /code/app

# Create directories for matplotlib to use
RUN mkdir -p /tmp/matplotlib && chmod 777 /tmp/matplotlib

# Ensure models directory exists and has proper permissions
RUN mkdir -p /code/app/models && chmod 755 /code/app/models

# Expose the port
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app.server:app", "--host", "0.0.0.0", "--port", "7860"]