# Use Python slim image as base
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Copy requirements.txt first to leverage Docker cache
COPY requirements.txt .

# System packages
RUN apt update && apt install -y wget tzdata

# Timezone
ENV TZ=Europe/Rome
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

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

# Copy application files
COPY app.py .
COPY ingress.py .
COPY models.py .

# Copy entrypoint script and make it executable
COPY entrypoint-web.sh .
RUN chmod +x entrypoint-web.sh

# Expose port (default 5000, can be overridden via PORT env var)
EXPOSE 5000

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=5000

# Run gunicorn with the Flask app using the entrypoint script
# The script handles PORT environment variable expansion
# Using JSON array form for proper signal handling
CMD ["./entrypoint-web.sh"]