rclipboard does not work in docker container after version 0.1.4 about rclipboard HOT 3 CLOSED

ENV CRAN=https://packagemanager.rstudio.com/cran/__linux__/focal/2021-10-29

library(rclipboard)
library(shiny)

# The UI
ui <- bootstrapPage(

  rclipboardSetup(),

  # Add a text input
  textInput("copytext", "Copy this:", "Zlika!"),

  # UI ouputs for the copy-to-clipboard buttons
  uiOutput("clip"),

  # A text input for testing the clipboard content.
  textInput("paste", "Paste here:")

)

# The server
server <- function(input, output) {

  # Add clipboard buttons
  output$clip <- renderUI({
    rclipButton(
      inputId = "clipbtn",
      label = "rclipButton Copy",
      clipText = input$copytext,
      icon = icon("clipboard")
    )
  })
}

shinyApp(ui = ui, server = server)

# Base image https://hub.docker.com/u/rocker/
FROM rocker/shiny:4.1.1

COPY app.R ./app.R
COPY renv.lock ./renv.lock

RUN Rscript -e 'install.packages("renv")'
RUN Rscript -e 'renv::consent(provided = TRUE)'
RUN Rscript -e 'renv::restore()'

# expose port
EXPOSE 3838

# run app on container start
CMD ["R","-e", "shiny::runApp('app.R', host = '0.0.0.0', port = 3838)"]