services/config/domain.js

// 服务端域名配置 - 从环境变量读取，默认 IP
const BASE_URL = process.env.BASE_URL || 'http://110.42.255.239:3006'

const DOMAIN_CONFIG = {
  BASE_URL: BASE_URL,
  API_PATH: '/api',
  IMG_PATH: '/img'
}

// 完整的图片基础地址
const IMG_BASE_URL = `${DOMAIN_CONFIG.BASE_URL}${DOMAIN_CONFIG.IMG_PATH}`

module.exports = {
  DOMAIN_CONFIG,
  IMG_BASE_URL
}