Downloadhandler works locally but not on any browser

shiny
,
1

Hello ! My app is working properly locally and on shiny.io. But I hosted it on a google cloud platform on Linux and there, the download button/Downloadhandler doesn't work neither on Firefox (error : not found) or Chrome (error : server problems)

Here is the code:

ui <- 

[...]

downloadButton(outputId = "downloadData", "Télécharger les résultats"))


server <- function(input, output, session) {

[...]

 output$downloadData <- downloadHandler(
    filename = function() {
      paste("seg_", as.character(input$Categorie),".csv", sep = "")
    },
    content = function(file) {
      write.csv2(data_d() , file, row.names = FALSE)
    }
  )
}

Any idea what the problem could be ?

2

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