FROM ubuntu:22.04 WORKDIR /app # Prevent interactive prompts ENV DEBIAN_FRONTEND=noninteractive # Install Python 3.10 and dependencies RUN apt-get update && apt-get install -y \ python3.10 \ python3-pip \ gcc \ libmysqlclient-dev \ pkg-config \ libssl-dev \ libffi-dev \ && rm -rf /var/lib/apt/lists/* # Create symlinks RUN ln -sf /usr/bin/python3.10 /usr/bin/python && \ ln -sf /usr/bin/pip3 /usr/bin/pip # Copy requirements and install COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt # Copy app code COPY . . # Production environment ENV FLASK_ENV=production ENV FLASK_APP=run.py ENV FLASK_RUN_HOST=0.0.0.0 ENV FLASK_RUN_PORT=5000 EXPOSE 5000 # Use Gunicorn CMD ["gunicorn", "--bind", "0.0.0.0:5000", "run:app"]