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Wait, why did you need to use XVFB with PhantomJS? Isn't Phantom headless as is?

Still requires a X server, which docker containers won't necessarily have.

Only versions 1.4 and below. Versions 1.5 and above do not require an X server. Version 1.5 has been available for 5+ years: https://ariya.io/2012/03/pure-headless-phantomjs-no-x11-or-x...

We have found PhantomJS to be very buggy and hard to debug. We generate millions of PDFs a month. Whenever we upgrade PhantomJS, something breaks with no way to debug easily. We end up reverting to the older version. After trying 3 times, we gave up and had settled for the older version.

In the middle of moving a massive codebase off PhantomJS, it is indeed a nightmare. Old versions leaked memory, debugging/logging is really weird because you get trapped in the context of the browser, and pooling...one of the old phantom pooling packages on GH is part of someone's grad thesis.

Does not play well with React Fiber either, in my experience. Aaaand isn't the brain behind PhantomJS stepping down or something? To any potential users: just go with Chrome

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