1. deploy.sh

# bash deploy.sh dev    使用命名
node ./merge/$1.js  # 即 node ./merge/dev.js
echo "merge complete"

npm run build
echo "build complete"

pm2 start npm -- run start
echo "pm2 complete"

pm2 save
echo "save complete"

pm2 startup
pm2 save
echo "running complete"

# if [  $1 = "dev"]; then
#   echo '$111' $1
#   Run $1

# fi     #ifend

2. /merge/merge.js

const fs = require('fs')
const path = require('path')
const _assign = require('lodash/assign')

/**
 * merge file
 * @param filepath json配置文件路径名
 * @param options json需要修改的字段
 * @returns {undefined}
 */
function mergeJSON(filepath, options) {
  filepath = path.join(__dirname, filepath)
  let config = require(filepath)
  config = _assign({}, config, options)
  fs.writeFileSync(filepath, JSON.stringify(config, null, 2))
}

module.exports = mergeJSON

3. /merge/dev.js

// dev.js
const mergeJSON = require('./merge')
const merchantConfig = {
  HOST_API: '',
  SHOP_API: '',
  WS_API: '',
  DB_HOST: '',
  DB_USER: '',
  DB_PASS: ''
}

mergeJSON('./default.json', merchantConfig)

4. /merge/default.json

{
  "HOST_API": "",
  "SHOP_API": "",
  "WS_API": "",
  "DB_HOST": "",
  "DB_USER": "",
  "DB_PASS": ""
}