Local changes: Updated model training, removed debug instrumentation, and configuration improvements

Dockerfile

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+# Multi-stage build for Crypto Trader
+FROM node:18-alpine AS frontend-builder
+
+WORKDIR /app/frontend
+
+# Copy frontend files
+COPY frontend/package*.json ./
+RUN npm ci
+
+COPY frontend/ ./
+RUN npm run build
+
+# Python backend
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Install FastAPI and uvicorn
+RUN pip install --no-cache-dir fastapi uvicorn[standard] python-multipart
+
+# Copy backend code
+COPY backend/ ./backend/
+COPY src/ ./src/
+COPY config/ ./config/
+
+# Copy built frontend from builder
+COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
+
+# Create data directory
+RUN mkdir -p /app/data
+
+# Expose port
+EXPOSE 8000
+
+# Set environment variables
+ENV PYTHONPATH=/app
+ENV PYTHONUNBUFFERED=1
+
+# Run the application
+WORKDIR /app
+CMD ["python", "-m", "uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]