# Multi-stage build per LLM Monitor

# Stage 1: Builder
FROM python:3.11-slim as builder

WORKDIR /app

# Installare dipendenze di build
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copiare requirements
COPY requirements.txt .

# Installare Python packages in un virtualenv
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
    pip install --no-cache-dir -r requirements.txt

# Stage 2: Runtime
FROM python:3.11-slim

WORKDIR /app

# Installare dipendenze di runtime
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copiare il virtualenv dal builder
COPY --from=builder /opt/venv /opt/venv

# Copiare codice dell'app
COPY app/ /app/app/
COPY main.py /app/
COPY .env* /app/

# Impostare PATH
ENV PATH="/opt/venv/bin:$PATH"
ENV PYTHONUNBUFFERED=1

# Esporre la porta
EXPOSE 8000

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

# Comando di avvio
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]