Install / run / access external solver on shinyappsio shiny app

I might be barking up the wrong tree here but I've searched for information unsuccessfully so I thought it was time to ask the question...

I have developed a shiny app that calls a Julia app that runs an LP solver then returns the results to my shiny app. To make this work on my local machine I have Julia and the LP solver installed. I'd like to deploy this small app on shinyappsio but I cannot find the documentation to explain how I go about setting up my shinyapps.io environment to include those non-R applications.

Can anyone point me to some resources that explain and demonstrate how this can be done on shinyapps.io?

back in 2020 shinyapps.io had Julia 1.0.2 installed and available to use.
As such I would expect it to work the same as it does on your local machine.
Have you seen that it doesnt ?

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Thanks for the quick response.

I haven't tested it yet - just doing my research...

How about the solver (CBC at the moment)? Will I be able to run that on the shinyapps.io server?

If you need system dependencies to be installed, file an issue on this GitHub repository

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Thanks both, I will try to piece it together with this information.