# Use Node.js 18 Alpine for smaller image size
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    curl \
    && ln -sf python3 /usr/bin/python

# Copy package files
COPY package*.json ./

# Install dependencies (including dev dependencies for build)
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Clean up dev dependencies after build
RUN npm prune --production

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nextjs -u 1001

# Change ownership of the app directory
RUN chown -R nextjs:nodejs /app

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/api/health || exit 1

# Start the application
CMD ["npm", "start"]