Binding volume with 'withFileSystemBind' -> Permission Denied

Question

i bind a volume to my GenericContainer as follows:

@Container    
public GenericContainer ap = new GenericContainer(DockerImageName.parse("myImage:latest"))
                                     .withExposedPorts(AP_PORT)
                                     .withEnv("SPRING_PROFILES_ACTIVE", "integrationtest")
                                     .withFileSystemBind("/home/user/tmp/rdf4jRepos/", "/mnt/spring/", BindMode.READ_WRITE)
                                     .withLogConsumer(new Slf4jLogConsumer(log))
                                     .waitingFor(Wait.forHttp("/actuator/health"));

But i've a permission denied problem. I added the following into the spring-boot app, that runs in the GenericContainer: (rdfRepositoryHome = /mnt/spring)

File repoHome = new File(rdfRepositoryHome);
System.out.println( "getAbsolutePath: " + repoHome.getAbsolutePath());
File f2 = new File(repoHome, "testRepo");
System.out.println( "repoHome.isDirectory(): " + repoHome.isDirectory() );
System.out.println( "Execute: " + repoHome.canExecute() );
System.out.println( "Write: " + repoHome.canWrite() );
System.out.println( "READ: " + repoHome.canRead() );

output:

2021-08-04 16:11:31.566  INFO 326439 --- [tream-274971679] d.f.i.s.p.a.i.ITReadProfile              : STDOUT: getAbsolutePath: /mnt/spring
2021-08-04 16:11:31.567  INFO 326439 --- [tream-274971679] d.f.i.s.p.a.i.ITReadProfile              : STDOUT: repoHome.isDirectory(): true
2021-08-04 16:11:31.567  INFO 326439 --- [tream-274971679] d.f.i.s.p.a.i.ITReadProfile              : STDOUT: Execute: true
2021-08-04 16:11:31.567  INFO 326439 --- [tream-274971679] d.f.i.s.p.a.i.ITReadProfile              : STDOUT: Write: false
2021-08-04 16:11:31.567  INFO 326439 --- [tream-274971679] d.f.i.s.p.a.i.ITReadProfile              : STDOUT: READ: true

How can i bind a volume, that is writable?

Thanks

Update 19.08.2021:
I added a test to another project, that is public available:

Running on image:
maven:3.6.1-jdk-11

Update 30.8.2021:
The problem should be reproducable (independent from gitlab ci and DinD!) with

git clone https://gitlab.com/linkedopenactors/loa-suite.git
git checkout feature/testcontainer
cd loa-suite/
mvn clean install -DskipTests
cd integrationtests/
mvn -Dit.test=ITLastSync verify

On which OS are you running and what kind of Docker setup are you using? — Kevin Wittek, Aug 19 '21 at 07:19
It is very likely that this issue is related to the Gitlab-CI and DinD setup. Does it work when run locally? — Kevin Wittek, Aug 23 '21 at 09:32
Please consider creating a simple reproducer: https://github.com/testcontainers/testcontainers-java-repro — Kevin Wittek, Aug 30 '21 at 12:02
@KevinWittek see https://github.com/naturzukunft/testcontainer_problem — naturzukunft, Sep 01 '21 at 11:53
Note that this Docker command would also fail, so I struggle to see the Testcontainers specific problem here. `docker run -ti --rm -v /tmp/dockerVolumes/:/mnt/spring/ -e SPRING_PROFILES_ACTIVE=test registry.gitlab.com/linkedopenactors/loa-suite:feature-testcontainer` What would be the working Docker command? — Kevin Wittek, Sep 15 '21 at 08:07
GH discussion: https://github.com/testcontainers/testcontainers-java/discussions/4462 — naturzukunft, Sep 16 '21 at 12:32

Binding volume with 'withFileSystemBind' -> Permission Denied

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