mirror of
https://github.com/vimagick/dockerfiles
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111 lines
2.6 KiB
Markdown
111 lines
2.6 KiB
Markdown
browserless
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===========
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[Browserless][1] makes it easy to run your puppeteer scripts in an optimized
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way. It takes care of all the binaries and managing of Chrome so you don't have
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to.
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## docker-compose.yml
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```yaml
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version: '3.8'
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services:
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browserless:
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image: browserless/chrome:1-chrome-stable
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ports:
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- "3000:3000"
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environment:
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- DEBUG=browserless/chrome
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- MAX_CONCURRENT_SESSIONS=100
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- CONNECTION_TIMEOUT=300000
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- MAX_QUEUE_LENGTH=100
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- ENABLE_CORS=true
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- ENABLE_DEBUG_VIEWER=true
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- EXIT_ON_HEALTH_FAILURE=true
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# TOKEN=4e2a9c32-2854-479a-a9f3-ba8899f2fdc1
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restart: unless-stopped
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```
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## screenshot.js
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```javascript
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'use strict';
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const puppeteer = require('puppeteer-core');
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(async() => {
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const browser = await puppeteer.connect({browserWSEndpoint: 'ws://localhost:3000'});
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const page = await browser.newPage();
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await page.setViewport({width: 1280, height: 720});
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await page.goto('https://www.google.com/', {waitUntil: 'networkidle2'});
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await page.waitForSelector('img[alt="Google"]');
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await page.screenshot({path: 'google.png', fullPage: true});
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await browser.close();
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})();
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```
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## screenshot.py
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```python
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#!/usr/bin/env python
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from selenium import webdriver
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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options = webdriver.ChromeOptions()
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options.add_argument("--window-size=1024,768")
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options.add_argument('--headless')
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options.add_argument('--no-sandbox')
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driver = webdriver.Remote(
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command_executor='http://localhost:3000/webdriver',
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options=options
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)
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driver.get('https://www.google.com/')
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WebDriverWait(driver, 10).until(
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EC.presence_of_element_located((By.CSS_SELECTOR, 'img[alt="Google"]'))
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)
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driver.save_screenshot('google.png')
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driver.close()
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driver.quit()
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```
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## Up and Running
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```bash
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$ docker-compose up -d
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$ npm install puppeteer-core
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$ node screenshot.js
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$ imgcat google.png
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$ pip install selenium
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$ python screenshot.py
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$ imgcat google.png
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$ http :3000/screenshot \
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url=https://www.youtube.com \
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options[fullPage]:=true \
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gotoOptions[waitUntil]=networkidle2 > youtube.png
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$ imgcat youtube.png
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$ http :3000/scrape url=https://www.youtube.com elements[0][selector]=title debug[network]:=true |
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jq -r '.debug.network.outbound[].url' |
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xargs -r tldextract -j |
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jq -r 'select(.fqdn|length>0).fqdn' |
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sort -u
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accounts.google.com
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fonts.googleapis.com
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fonts.gstatic.com
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googleads.g.doubleclick.net
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i.ytimg.com
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www.youtube.com
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```
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[1]: https://docs.browserless.io/
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