It has become increasingly critical to have a Docker container-based headless browser to maximize flexibility and scalability. Running a GUI is more expensive than spinning up a Linux-based server or scaling a simple Docker container across a microservices cluster, such as Kubernetes.īut I digress. There are also countless use cases for website crawlers and HTML-based content analysis.įor 99 percent of these cases, you don’t need a browser GUI because it is fully automated. Headless browsers have become very popular with the rise of automated UI tests in the application development process. To learn more about Docker, visit our archives here. Software scalability expert! Setting up a Headless Chrome Node.js server in DockerĮditor’s note: This guide to setting up a Headless Chrome Node.js server in Docker was last updated on 9 January 2023 to update any outdated code, further explain the breakdown of the Dockerfile steps, and include more interactive code examples. Puppeteer creates its own browser user profile which it cleans up on every run.Tigran Bayburtsyan Follow Cofounder and CTO at Hexact, Inc. This article describes some differences for Linux users.

See this article for a description of the differences between Chromium and Chrome. See Puppeteer.launch() for more information. You can also use Puppeteer with Firefox Nightly (experimental support). const puppeteer = require ( 'puppeteer' ) Ĭonst browser = await puppeteer. You create an instance of Browser, open pages, and then manipulate them with Puppeteer's API.Įxample: navigating to and saving a screenshot as example.png: Puppeteer will be familiar to people using other browser testing frameworks. All examples below use async/await which is only supported in Node v7.6.0 or greater. Starting from v3.0.0 Puppeteer starts to rely on Node 10.18.1+. Prior to v1.18.1, Puppeteer required at least Node v6.4.0.

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