When docker run, an error occurs.

[limhwanhee]

Run with docker container:

docker run -p 3838:3838 taganomaly

error:

R version 3.5.1 (2018-07-02) -- "Feather Spray"
Copyright (C) 2018 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> shiny::runApp('/root/app')
Loading required package: shiny
Loading required package: shinythemes
Loading required package: DT

Attaching package: ‘DT’

The following objects are masked from ‘package:shiny’:

    dataTableOutput, renderDataTable

Loading required package: dplyr

Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union

Loading required package: ggplot2
Loading required package: gridExtra

Attaching package: ‘gridExtra’

The following object is masked from ‘package:dplyr’:

    combine

Loading required package: shinydashboard

Attaching package: ‘shinydashboard’

The following object is masked from ‘package:graphics’:

    box

Loading required package: parsedate
Loading required package: devtools
Warning in library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
  there is no package called ‘devtools’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
Error in contrib.url(repos, type) :
  trying to use CRAN without setting a mirror
Calls: <Anonymous> ... ..stacktraceon.. -> install.packages -> grep -> contrib.url
Execution halted

When entering "docker ps -al" command:

CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                      PORTS               NAMES
508c691d33fe        taganomaly          "R -e shiny::runApp(…"   44 seconds ago      Exited (1) 42 seconds ago                       adoring_khayyam

What is the cause?

[omri374]

Thanks! closing now