Heroku, you might need to reconfigure the location of the cache to be within

If you deploy a project using Puppeteer to a hosting provider, such as Render or The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0). When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to To use Puppeteer in your project, run: npm i puppeteer Of your site to help diagnose performance issues. Create an automated testing environment using the latest JavaScript and.Automate form submission, UI testing, keyboard input, etc.Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e.Generate screenshots and PDFs of pages.Here are a few examples to get you started: Most things that you can do manually in the browser can be done using Puppeteer! Mode by default, but can be configured to run in full ('headful') Puppeteer is a Node.js library which provides a high-level API to control You should find Puppeteer executes successfully, provided proper Chrome flags are used.Guides | API | FAQ | Contributing | Troubleshooting Chrome will write into /tmp instead.Īdd your JavaScript to your container with a COPY instruction. disable-dev-shm-usage – This flag is necessary to avoid running into issues with Docker’s default low shared memory space of 64MB.If you’re uncomfortable with this, you’ll need to manually configure working Chrome sandboxing, which is a more involved process. 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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