FROM python:3.10-alpine

WORKDIR /app

# Use a faster mirror + install dependencies
RUN sed -i 's/dl-cdn.alpinelinux.org/mirror.kakao.com/mirror.kakao.com/g' /etc/apk/repositories \
    && apk add --no-cache gcc musl-dev python3-dev mariadb-dev libffi-dev openssl-dev

# 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"]