# Use official Python slim image
FROM python:3.12-slim

# Set Python optimizations
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PIP_NO_CACHE_DIR=1

WORKDIR /usr/src/app

# Install system dependencies (PostgreSQL client libraries)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies
COPY requirements.txt ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY ./app /usr/src/app/app

# Create directories for volumes
RUN mkdir -p /usr/src/app/storage

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD curl -f http://localhost:80/api/v3/current || exit 1

# Start uvicorn
ENV WEB_WORKERS=2
CMD ["sh", "-c", "exec uvicorn app.main:app --host 0.0.0.0 --port 80 --workers $WEB_WORKERS"]