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@@ -1,9 +1,12 @@
 FROM python:3.11-slim
 
-ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PORT=7860
+
 WORKDIR /app
 
-# System dependencies (OCR + build essentials)
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         build-essential \
@@ -12,53 +15,20 @@ RUN apt-get update && \
         tesseract-ocr-vie \
         libpoppler-cpp-dev \
         pkg-config \
-        libgl1 && \
-    rm -rf /var/lib/apt/lists/*
+        libgl1 \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY backend/requirements.txt /app/requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Optional check: cố gắng import CrossEncoder, nhưng KHÔNG dừng build nếu thiếu
-RUN python -c "from sentence_transformers import CrossEncoder; print('[Docker] ✅ CrossEncoder available for reranking')" || \
-    echo "[Docker] ❌ CrossEncoder not available! Tiếp tục build, backend sẽ tự fallback không dùng reranker."
-
-# Copy toàn bộ backend để tránh lệch phiên bản
-COPY backend /app/backend
-RUN ln -sfn /app/backend/hue_portal /app/hue_portal
-
-# Create static and media directories
-RUN mkdir -p /app/hue_portal/static /app/hue_portal/media
-
-# Create entrypoint script to run lightweight migrations before starting server
-RUN cat <<'EOF' >/entrypoint.sh
-#!/bin/bash
-set -e
-
-echo "[Docker] Running migrations..."
-if ! python /app/hue_portal/manage.py migrate --noinput; then
-    echo "[Docker] Migration failed, retrying with SQLite fallback..."
-    unset DATABASE_URL
-    python /app/hue_portal/manage.py migrate --noinput || echo "[Docker] SQLite migration also failed, continuing..."
-fi
-
-RUN_HEAVY_STARTUP_TASKS="${RUN_HEAVY_STARTUP_TASKS:-0}"
-if [ "$RUN_HEAVY_STARTUP_TASKS" = "1" ]; then
-    echo "[Docker] Running heavy startup tasks (generate QA, train intent, populate tsv)..."
-    python /app/hue_portal/manage.py generate_legal_questions || echo "[Docker] generate_legal_questions failed, continuing..."
-    python /app/hue_portal/chatbot/training/train_intent.py || echo "[Docker] Intent training failed, continuing..."
-    python /app/hue_portal/manage.py populate_legal_tsv || echo "[Docker] populate_legal_tsv failed, continuing..."
-else
-    echo "[Docker] Skipping heavy startup tasks (RUN_HEAVY_STARTUP_TASKS=$RUN_HEAVY_STARTUP_TASKS)."
-fi
-
-echo "[Docker] Collecting static files..."
-python /app/hue_portal/manage.py collectstatic --noinput || echo "[Docker] Collectstatic failed, continuing..."
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir --upgrade --force-reinstall \
+        "transformers==4.48.0" \
+        "sentence-transformers>=2.2.0" \
+        "FlagEmbedding>=1.2.0" && \
+    pip install --no-cache-dir -r requirements.txt
 
-echo "[Docker] Starting gunicorn..."
-exec gunicorn -b 0.0.0.0:7860 --timeout 1800 --graceful-timeout 1800 --worker-class sync hue_portal.hue_portal.wsgi:application
-EOF
+COPY backend /app
 
+COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
-EXPOSE 7860
 CMD ["/entrypoint.sh"]