# ── Timmy Time Dashboard — Multi-stage Optimized Build ─────────────────────
#
# Multi-stage build for fast, lean image:
#   1. builder   Install dependencies
#   2. runtime   Copy only what's needed for production
#
# Build: docker build -f docker/Dockerfile.dashboard -t timmy-dashboard:latest .
# Run:   docker run -p 8000:8000 -v timmy-data:/app/data timmy-dashboard:latest

# ── Stage 1: Builder ──────────────────────────────────────────────────────────
FROM python:3.12-slim as builder

WORKDIR /build

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy only pyproject.toml for dependency caching
COPY pyproject.toml .

# Create minimal package structure
RUN mkdir -p src/timmy src/dashboard src/swarm src/infrastructure && \
    touch src/__init__.py src/timmy/__init__.py src/dashboard/__init__.py \
          src/swarm/__init__.py src/infrastructure/__init__.py config.py

# Install Python dependencies (with caching)
RUN pip install --no-cache-dir --user -e ".[swarm,telegram]"


# ── Stage 2: Runtime ─────────────────────────────────────────────────────────
FROM python:3.12-slim as runtime

WORKDIR /app

# Install only runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

# Copy Python packages from builder
COPY --from=builder /root/.local /root/.local

# Copy application source
COPY src/ ./src/
COPY static/ ./static/
COPY config.py .

# Create data directory
RUN mkdir -p /app/data

# Create non-root user
RUN groupadd -r timmy && useradd -r -g timmy -d /app -s /sbin/nologin timmy && \
    chown -R timmy:timmy /app && \
    chmod -R o+rX /app/static /app/data

# Set environment
ENV PATH=/root/.local/bin:$PATH
ENV PYTHONPATH=/app/src
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Switch to non-root user
USER timmy

EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

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