# Dockerfile for Agent Media
# Multi-stage build for smaller image size

# ===========================================
# Stage 1: Builder
# ===========================================
FROM python:3.12.7-slim as builder

# STFU (please)
ENV DEBIAN_FRONTEND=noninteractive

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

# Install Poetry globally (needs root)
RUN pip install --no-cache-dir poetry

# Copy dependency files (as root for now)
COPY pyproject.toml poetry.lock* /tmp/

# Install dependencies as root (to avoid permission issues with system packages)
WORKDIR /tmp
RUN poetry config virtualenvs.create false \
    && poetry install --only main --no-root --no-cache

# Create non-root user
RUN useradd -m -u 1000 -s /bin/bash appuser

# Switch to non-root user
USER appuser

# Set working directory (owned by appuser)
WORKDIR /home/appuser/app

# ===========================================
# Stage 2: Runtime
# ===========================================
FROM python:3.12.7-slim as runtime

# Install runtime dependencies (needs root)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create non-root user
RUN useradd -m -u 1000 -s /bin/bash appuser

# Create data directories (needs root for /data)
RUN mkdir -p /data/memory /data/logs \
    && chown -R appuser:appuser /data

# Switch to non-root user
USER appuser

# Set working directory (owned by appuser)
WORKDIR /home/appuser/app

# Copy Python packages from builder stage
COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy application code (already owned by appuser)
COPY --chown=appuser:appuser agent/ ./agent/
COPY --chown=appuser:appuser application/ ./application/
COPY --chown=appuser:appuser domain/ ./domain/
COPY --chown=appuser:appuser infrastructure/ ./infrastructure/
COPY --chown=appuser:appuser app.py .

# Create volumes for persistent data
VOLUME ["/data/memory", "/data/logs"]

# Expose port
EXPOSE 8000

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

# Environment variables (can be overridden)
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONPATH=/home/appuser/app \
    LLM_PROVIDER=deepseek \
    MEMORY_STORAGE_DIR=/data/memory

# Run the application
CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]