运行 google chrome Vultr、Digital Ocean、Heroku 或 GAE 上的人偶操纵者

Running google chrome puppeteer on Vultr, Digital Ocean, Heroku, Or GAE

我曾尝试 运行 Google Chrome 在 Heroku、GAE flex、Digital Ocean 和 Vultr 上使用 puppeteer,但是在我使用 puppeteer 的路线上,实例只是挂起,直到它502 错误。我正在使用这个简单的代码:

var express = require('express');
var router = express.Router();
const puppeteer = require('puppeteer');

router.get('/', function(req, res, next) {
    (async() => {
        const browser = await puppeteer.launch();
        const page = await browser.newPage();
        await page.goto('http://example.com');
        await page.screenshot({path: 'example.png'});

        browser.close();
        res.send('screen grabbed');
    })();
});

module.exports = router;

我知道 puppeteer 现在可以与节点 6 一起使用,但我设置 package.json 如下:

{
  "name": "puppeteer",
  "version": "0.0.0",
  "private": true,
  "scripts": {
    "start": "node ./bin/www",
    "deploy": "gcloud app deploy --version dev"
  },
  "engines": {
    "node": "8.4.0"
  },
  "dependencies": {
    "body-parser": "~1.17.1",
    "cookie-parser": "~1.4.3",
    "debug": "~2.6.3",
    "express": "~4.15.2",
    "morgan": "~1.8.1",
    "pug": "~2.0.0-beta11",
    "puppeteer": "^0.10.2",
    "serve-favicon": "~2.4.2"
  }
}

在 Vultr Ubuntu 16.04 x64 中我得到以下错误:

Error: Failed to launch chrome!

/root/mysite/node_modules/puppeteer/.local-chromium/linux-497674/chrome-linux/chrome: error while loading shared libraries: libpangocairo-1.0.so.0: cannot open shared object file: No such file or directory

如果没有,我通过确保安装了 puppeteer 的以下依赖项来解决:

已安装所有依赖项

sudo apt-get install gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget

然后像这样将 args 传递给 puppeteer 启动命令:

(async() => {

const browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
const page = await browser.newPage();
await page.goto('http://example.com');
await page.screenshot({path: 'example.png'});
res.send('screen grabbed');
browser.close();
})();

我尝试了上面的答案,但在 DigitaOcean Ubuntu droplet 中没有运气。

所以我在 droplet 中安装了 google-chrome-stable,效果很好。

  1. 添加密钥:

    wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
    
  2. 设置存储库:

    echo 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main' | sudo tee /etc/apt/sources.list.d/google-chrome.list
    
  3. 安装包:

    sudo apt-get update 
    sudo apt-get install google-chrome-stable