# Use an official Python runtime as a parent image
FROM python:3.11-slim-bullseye

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV APP_HOME=/app
WORKDIR $APP_HOME

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

# Copy the rest of the application code
COPY . .

# Tell Docker that the container listens on port 80
EXPOSE 80

# Set Flask app for CLI commands
ENV FLASK_APP=app.py

# Run database migrations and then the application
CMD flask db upgrade && gunicorn --bind 0.0.0.0:80 app:app