NestJS部署至cPanel失败求助：启动命令报错如何解决？

核心错误信息 #

> test3@0.0.1 start /home/nandaken/inventory
> nest start
stderr:
npm WARN lifecycle The node binary used for scripts is /home/nandaken/nodevenv/inventory/12/bin/node but npm is using /opt/alt/alt-nodejs12/root/usr/bin/node itself. Use the `--scripts-prepend-node-path` option to include the path for the node binary npm was executed with.
sh: nest: command not found
npm ERR! code ELIFECYCLE
npm ERR! syscall spawn
npm ERR! file sh
npm ERR! errno ENOENT
npm ERR! test3@0.0.1 start: `nest start`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the test3@0.0.1 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

问题原因 #

1. cPanel环境未全局安装Nest CLI，且本地安装的Nest CLI不在系统PATH中，直接执行nest start会找不到命令
2. Node.js二进制文件路径不匹配，npm脚本使用的node路径与当前npm环境的node路径不一致

解决步骤 #

1. 修改启动脚本，调用本地Nest CLI #

直接使用项目本地安装的Nest CLI，无需依赖全局环境：

• 打开项目根目录的package.json，修改scripts里的start命令：

  "scripts": {
    "start": "node node_modules/@nestjs/cli/bin/nest.js start"
  }
  

  或者用npx自动调用本地依赖：

  "scripts": {
    "start": "npx nest start"
  }
  

2. 修复Node路径不一致问题 #

任选一种方式即可：

• 执行启动命令时添加参数：

  npm run start --scripts-prepend-node-path
  

• 或者在项目根目录创建.npmrc文件，添加以下内容实现永久生效：

  scripts-prepend-node-path=true
  

3. 确保本地已安装Nest CLI #

检查package.json的devDependencies中是否包含@nestjs/cli，如果没有，执行以下命令安装：

npm install @nestjs/cli --save-dev

内容的提问来源于stack exchange，提问作者wahyu nanda