backend/Dockerfile

# syntax=docker/dockerfile:1
FROM python:3.11-slim AS base

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

# Install system dependencies (build-essential, curl)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application source
COPY backend /app/backend
COPY models /app/models
COPY uploads /app/uploads

# Expose port
EXPOSE 8000

# Healthcheck
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD curl -f http://localhost:8000/api/v1/health || exit 1

# Run Uvicorn
CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]