Update Dockerfile

Dockerfile

@@ -1,33 +1,68 @@
-# ============================
-# Dockerfile – Savant RRF Φ12.0 API
-# ============================
+# ======================================================
+# Savant RRF Φ12.5 — Optimized Dockerfile
+# ======================================================
+
 FROM python:3.11-slim
 
-# Evitar pyc y usar stdout sin buffer
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
+# --------------------------
+# ENV optimizations
+# --------------------------
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    HF_HOME=/cache/huggingface \
+    TRANSFORMERS_CACHE=/cache/huggingface \
+    SENTENCE_TRANSFORMERS_HOME=/cache/huggingface
 
-# Directorio de trabajo
+# --------------------------
+# Workdir
+# --------------------------
 WORKDIR /app
 
-# Dependencias del sistema (para numpy/scipy)
+# --------------------------
+# System deps (minimal)
+# --------------------------
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# Copiar requirements e instalarlos
-COPY requirements.txt /app/requirements.txt
+# --------------------------
+# Install Python deps (cache-friendly)
+# --------------------------
+COPY requirements.txt .
 
 RUN pip install --upgrade pip && \
     pip install --no-cache-dir -r requirements.txt
 
-# Copiar el código de la API
-COPY app.py /app/app.py
+# --------------------------
+# Preload models (CRITICAL for cold start)
+# --------------------------
+RUN python - <<EOF
+from sentence_transformers import SentenceTransformer
+from huggingface_hub import hf_hub_download
+
+# preload embedder
+SentenceTransformer("antonypamo/RRFSAVANTMADE")
+
+# preload meta-logit
+hf_hub_download(
+    repo_id="antonypamo/RRFSavantMetaLogicV2",
+    filename="logreg_rrf_savant.joblib"
+)
+EOF
+
+# --------------------------
+# Copy app (AFTER deps for cache)
+# --------------------------
+COPY app.py .
 
-# Puerto por defecto de Hugging Face Spaces para FastAPI
+# --------------------------
+# Expose port
+# --------------------------
 EXPOSE 7860
 
-# Comando de arranque
-# Nota: host 0.0.0.0 para que sea accesible desde fuera del contenedor
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# --------------------------
+# Start server (optimized)
+# --------------------------
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]