For those of us obsessed with automation, the PhantomJS library was manna from heaven, allowing you to programmatically automate web interactions against a ‘real’ web browser without need a screen to interact with.
Earlier this year, the principal maintainer announced that he was stepping down from the project in favour of ‘Headless Chrome’.
Headless Chrome is still new, and there isn’t much material to chew on yet, but I came across this blog post, which shows how to set up an Ubuntu Trusty server with a simple screen grabber script.
I thought I’d transfer this to a Docker container, as lightweight spinning up of these processes will be a boon for testing.
Here’s a video of the script getting screenshots of two randomly-chosen websites:
The repository is here.
My book on Docker:
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