# Use Node.js LTS version
FROM node:18-alpine

# Install Tesseract OCR dependencies
RUN apk add --no-cache \
    tesseract-ocr \
    tesseract-ocr-data-eng \
    build-base \
    cairo-dev \
    jpeg-dev \
    pango-dev \
    giflib-dev \
    pixman-dev

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy application files
COPY . .

# Create necessary directories
RUN mkdir -p uploads public

# Set permissions
RUN chmod -R 755 /app

# Expose port
EXPOSE 7860

# Set environment variables
ENV NODE_ENV=production
ENV PORT=7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start application
CMD ["node", "index.js"]