Cant write files to shiny server

[anders-kolstad]

I tried moving the app to the internal shiny server, but I get 'permission denied' when trying to app_data.RDS

 Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
✔ dplyr     1.1.4     ✔ readr     2.1.5
✔ forcats   1.0.0     ✔ stringr   1.5.1
✔ ggplot2   3.5.1     ✔ tibble    3.2.1
✔ lubridate 1.9.3     ✔ tidyr     1.3.1
✔ purrr     1.0.2     
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors
Warning: There was 1 warning in `dplyr::mutate()`.
ℹ In argument: `HTML_File = combined_metadata$HTML_File`.
Caused by warning:
! Unknown or uninitialised column: `HTML_File`.
Warning in saveRDS(x, con, version = version, refhook = refhook, ascii = text) :
  cannot open file '/data/shiny/shiny-sites/ecRxiv/data/App_data.RDS': Permission denied
Error in saveRDS(x, con, version = version, refhook = refhook, ascii = text) : 
  cannot open the connection
Calls: runApp ... ..stacktraceon.. -> create_data -> write_rds -> saveRDS
Execution halted

[anders-kolstad]

Instead of writing to file with saveRDS, maybe we can use assign() and just save it to the environment? @DrMattG