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

# Add labels for Gitea package linking (will be set during build)
ARG SOURCE_URL
ARG REPO_NAME
LABEL org.opencontainers.image.source="${SOURCE_URL}"
LABEL org.opencontainers.image.description="Habit Tracker Application"
LABEL org.opencontainers.image.licenses="MIT"

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create directory for database
RUN mkdir -p /app/data

# Expose port
EXPOSE 5000

# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=production
ENV PYTHONPATH=/app

# Run the application
CMD ["python", "-m", "flask", "run", "--host=0.0.0.0", "--port=5000"]