Install packages in the rails environment

I would love to install yt-dlp in my rails env. Where is the rails env Dockerfile defined? Is it possible to modify it to install additional packages / or do it in some other way.



Hi there,

There is no Dockerfile to modify in our native Rails runtime. If you want to use Docker, create a new Web Service and select Docker as the runtime. Then you can provide your own custom Dockerfile. See our Docker docs here:

Let us know if you have any further questions.


Render Support Engineer, MT (UTC-6, UTC-7 in Winter)

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