Update AI service

Dockerfile.hf

@@ -0,0 +1,31 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    wget && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY main.py .
+
+RUN useradd -m -u 1000 user
+USER user
+
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    AI_SERVICE_PORT=8000
+
+WORKDIR $HOME/app
+
+COPY --chown=user . $HOME/app
+
+EXPOSE 8000
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+  CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

run-fixed.sh

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+#!/usr/bin/env bash
+# NexVote AI – Start AI service with virtual environment
+# Usage: ./ai/run-fixed.sh [port]
+set -euo pipefail
+
+AI_DIR="$(cd "$(dirname "$0")" && pwd)"
+PYTHON="${PYTHON:-python3}"
+VENV_DIR="$AI_DIR/venv"
+PORT="${1:-8000}"
+
+echo "================================================"
+echo "  NexVote AI Service"
+echo "  Python: $PYTHON"
+echo "  Port: $PORT"
+echo "================================================"
+
+# Validate Python version
+PYTHON_VERSION=$("$PYTHON" -c 'import sys; print(".".join(map(str, sys.version_info[:2])))')
+REQUIRED_VERSION="3.9"
+
+if [ "$(printf '%s\n' "$REQUIRED_VERSION" "$PYTHON_VERSION" | sort -V | head -n1)" != "$REQUIRED_VERSION" ]; then
+    echo "Error: Python $REQUIRED_VERSION or higher required (found $PYTHON_VERSION)"
+    exit 1
+fi
+
+# Create virtual environment if needed
+if [ ! -d "$VENV_DIR" ]; then
+    echo ""
+    echo "[1/3] Creating virtual environment..."
+    "$PYTHON" -m venv "$VENV_DIR"
+fi
+
+# Activate virtual environment
+echo ""
+echo "[2/3] Activating virtual environment..."
+source "$VENV_DIR/bin/activate"
+
+# Install/upgrade dependencies
+echo ""
+echo "[3/3] Installing dependencies..."
+pip install --upgrade pip --quiet
+pip install -r "$AI_DIR/requirements.txt" --quiet
+
+# Test imports
+python -c "import torch, transformers, sentence_transformers" || {
+    echo "Error: Failed to import required packages"
+    exit 1
+}
+
+# Start service
+echo ""
+echo "Starting AI service on port $PORT..."
+echo "  Health check: http://localhost:$PORT/health"
+echo "  Docs: http://localhost:$PORT/docs"
+echo ""
+
+cd "$AI_DIR"
+exec uvicorn main:app --host 0.0.0.0 --port "$PORT"