Jenkins: Permission issue using Docker as build environment I installed Jenkins on an Ubuntu 16.04 machine. The Jenkins itself is not run in a container. What I want to do is simply call yarn install using a node image. So here is my Jenkinsfile:

pipeline {
    agent any
    stages {
        stage('install node modules...') {
            agent { docker 'node' }
            steps {
                sh 'cd /path/to/package.json; yarn install'
            }
        }
    }
}


Pretty straightforward, right?

jenkins user/group is 112:116, and the uid of the node container is 1000, hence yarn process (which is run as node user 1000) can't do its things, like mkdir /.config.

I tried to spin up the node container passing in argument -u 1000, it bumped into permission issues when trying to create durable directories.

It looks like one or the other kind of issue, how can I work around that?

Jenkins logs:

Below is where the build starts and fails.

[Pipeline] sh
[Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2] Running shell script
+ docker inspect -f . node
.
[Pipeline] withDockerContainer
Jenkins does not seem to be running inside a container
$ docker run -t -d -u 112:116 -w /var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2 -v /var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2:/var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2:rw,z -v /var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2@tmp:/var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2@tmp:rw,z -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** --entrypoint cat node
[Pipeline] {
[Pipeline] sh
[Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2] Running shell script
+ cd /path/to/package.json
+ yarn install
yarn install v0.24.6
error An unexpected error occurred: "EACCES: permission denied, mkdir '/.config'".
info If you think this is a bug, please open a bug report with the information provided in "/var/lib/jenkins/workspace/Pipeline_Test_Jenkins_test-4JTFYMX7KSJY6ZH44VINNGEB7WH2D2HWYZN5ABF6O32O2HBQJYXQ@2/&lt;path&gt;/yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
[Pipeline] }
$ docker stop --time=1 c1147934ea689f71a449e486282db03338b12182368def31bdf8e8cf179ab46a
$ docker rm -f c1147934ea689f71a449e486282db03338b12182368def31bdf8e8cf179ab46a
[Pipeline] // withDockerContainer
[Pipeline] }
[Pipeline] // node
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
ERROR: script returned exit code 1
Finished: FAILURE
I had the same issue with node. The thing is files in the container are owned by "root:root". Try adding docker args -u root:root:

docker { 
    image 'node:8'
    args '-u root:root'
}