# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set environment variables for Python
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# Set the working directory
WORKDIR /app

# Copy the requirements file into the container at /app
COPY requirements.txt /app/

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Create the directory for session storage and set permissions
RUN mkdir -p /tmp/flask_sessions && chmod 777 /tmp/flask_sessions

# Create flask_sessions directory and set permissions
RUN mkdir -p /app/flask_sessions && chmod -R 777 /app/flask_sessions

# Copy the rest of the application code to /app
COPY . /app/

# Ensure the upload directory has the correct permissions
RUN mkdir -p /app/uploads && \
    chmod -R 777 /app/uploads

# Expose the port that the app runs on
EXPOSE 7860

# Set environment variables for Flask
ENV FLASK_APP=app.py
ENV FLASK_ENV=production

# Command to run the application
CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:7860", "--timeout", "120", "app:app"]