新建express项目

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npm install -g express-generator
express --view=pug appName
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cd appName
pnpm install

package.json中添加pm2配置项

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"script": "bin/www",
"watch": false,
"ignore_watch": [
".git"
],
"log_date_format": "YYYY-MM-DD HH:mm:ss",
"error_file": "err.log",
"out_file": "out.log",

pm2 start package.json