Create a docker image with R, Julia, and shiny-server for deploying R-based shiny apps that rely on Julia. It's setup to precompile your julia code as a module into a sysimage to speed up the initial loading of the Julia environment. This uses the rocker/shiny docker image.
git clone https://github.com/jjlynch2/Rulia
docker build -t myapp .
docker run -d -p 4444:3838 myapp