# ============================================================================
# K1RL QUASAR — HuggingFace Spaces Deployment
# Port 7860 | 12GB RAM | Production Ready
# ============================================================================

FROM python:3.10-slim

# ── Environment ──────────────────────────────────────────────────────────────
ENV PYTHONUNBUFFERED=1
ENV DEBIAN_FRONTEND=noninteractive
ENV HF_HOME=/home/user/app/.cache/huggingface
ENV TRANSFORMERS_CACHE=/home/user/app/.cache/huggingface
ENV TORCH_HOME=/home/user/app/.cache/torch

# ── System packages ──────────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y \
    supervisor \
    redis-server \
    curl \
    wget \
    git \
    htop \
    nano \
    procps \
    && rm -rf /var/lib/apt/lists/*

# ── Print Redis version for debugging ────────────────────────────────────────
RUN redis-server --version

# ── Application setup ────────────────────────────────────────────────────────
WORKDIR /home/user/app

# Copy requirements first (for Docker layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy all application files
COPY . .

# ── Directory structure ───────────────────────────────────────────────────────
RUN mkdir -p /home/user/app/logs \
             /home/user/app/checkpoints \
             /home/user/app/data \
             /home/user/app/.cache \
             /home/user/app/saves \
             /tmp/quasar_cache \
    && chmod 777 /home/user/app/logs \
    && chmod 777 /tmp/quasar_cache

# ── Redis configuration ───────────────────────────────────────────────────────
COPY redis_hf.conf /etc/redis/redis.conf
RUN chown root:root /etc/redis/redis.conf && chmod 644 /etc/redis/redis.conf

# ── Test Redis config before building further ─────────────────────────────────
RUN redis-server /etc/redis/redis.conf --test-config || true

# ── Supervisor configuration ──────────────────────────────────────────────────
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# ── Permissions ───────────────────────────────────────────────────────────────
RUN find /home/user/app -name "*.py" -exec chmod +x {} \; && \
    chmod 755 /home/user/app

# ── Health check ──────────────────────────────────────────────────────────────
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# ── Expose HuggingFace Spaces port ───────────────────────────────────────────
EXPOSE 7860

# ── Startup ───────────────────────────────────────────────────────────────────
CMD ["supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf", "-n"]