FROM node:18-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY . .

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S user-auth -u 1001

# Change ownership
RUN chown -R user-auth:nodejs /app
USER user-auth

# Expose port
EXPOSE 8011

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:8011/health || exit 1

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