Launch the VSCode, and UI will look like below. Puppeteer framework allows direct communication with Chrome-based browsers such as Chrome and Chromium while its advanced feature allows working with Firefox (Nightly Build) as well. It’s an Open Source and is maintained by Google. Install the VScode like any other exe file, go along with the recommended setting only. Puppeteer is a NodeJS-based Automation Framework that allows programming through Javascript. you're bundling Puppeteer to use in Chrome Extension / browser with the DevTools protocol where downloading an additional Chromium binary is unnecessary. You should find Puppeteer executes successfully, provided proper Chrome flags are used. Navigate to Click download button Download the VSCode software according to your operating system. For example, one might build a PDF generator using puppeteer-core and write a custom install.js script that downloads headlessshell instead of Chromium to save disk space. Chrome will write into /tmp instead.Īdd your JavaScript to your container with a COPY instruction. Puppeteer is a headless Node library that provides a high level API for controlling Chromium or. The page size can be customized with tViewport(). disable-dev-shm-usage – This flag is necessary to avoid running into issues with Docker’s default low shared memory space of 64MB. Puppeteer sets an initial page size to 800×600px, which defines the screenshot size.Let’s install it using npm: npm install puppeteer Building Our Scraper Now, let’s start to build our scraper by creating a new file, called scraper.js. If you’re uncomfortable with this, you’ll need to manually configure working Chrome sandboxing, which is a more involved process. Puppeteer is a Node.js API that allows us to talk to a headless Chrome instance programmatically. It’s vital you ensure your Docker containers are strongly isolated from your host. Using these flags could allow malicious web content to escape the browser process and compromise the host. no-sandbox and disable-setuid-sandbox – These disable Chrome’s sandboxing, a step which is required when running as the root user (the default in a Docker container).Setting this flag explicitly instructs Chrome not to try and use GPU-based rendering. disable-gpu – The GPU isn’t usually available inside a Docker container, unless you’ve specially configured the host.
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