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Dockerfile

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+# PANJIT Document Translator - Production Dockerfile
+# Multi-stage build for optimized production image
+
+# Stage 1: Frontend build
+FROM node:18-alpine AS frontend-builder
+
+WORKDIR /app/frontend
+
+# Copy package files
+COPY frontend/package*.json ./
+
+# Install dependencies (including dev dependencies for build)
+RUN npm ci
+
+# Copy source files (excluding node_modules)
+COPY frontend/src ./src
+COPY frontend/public ./public
+COPY frontend/index.html ./
+COPY frontend/vite.config.js ./
+COPY frontend/auto-imports.d.ts ./
+
+# Build frontend
+RUN npm run build
+
+# Stage 2: Python production image
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    FLASK_ENV=production \
+    PORT=12010
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    g++ \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app/ ./app/
+COPY *.py ./
+
+# Copy configuration files
+COPY .env ./
+COPY api.txt ./
+
+# Copy batch scripts (for reference)
+COPY *.bat ./scripts/
+
+# Copy frontend build output
+COPY --from=frontend-builder /app/frontend/dist ./static
+
+# Create required directories
+RUN mkdir -p uploads logs scripts
+
+# Create startup script (removed redundant celery worker)
+RUN echo '#!/bin/bash' > /app/start.sh && \
+    echo 'python app.py' >> /app/start.sh && \
+    chmod +x /app/start.sh
+
+# Set permissions
+RUN useradd -m -u 1000 appuser && \
+    chown -R appuser:appuser /app && \
+    chmod -R 755 /app
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 12010
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:12010/api/v1/health || exit 1
+
+# Start application
+CMD ["/app/start.sh"]