# Dockerfile for AegisLM SaaS Backend (FastAPI)
FROM python:3.10-slim

# Prevent python from buffering stdout/stderr
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Working Directory
WORKDIR /app

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

# 1. Install Backend Dependencies
# Using the specific SaaS backend requirements
COPY backend/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# 2. Copy Backend Source Code
COPY backend/ ./backend/

# 3. Environment Variables for Backend
ENV APP_MODULE="backend.main:app"
ENV HOST="0.0.0.0"
ENV PORT=8000

# 4. Expose FastAPI Port
EXPOSE 8000

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

# 5. Run the SaaS Backend using Uvicorn
# We set the python path so it can find the backend module
ENV PYTHONPATH=/app
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]