Add user: root to docker-compose.yaml to avoid permission errors

[dwrth]

Description

This PR adds user: root to the docker-compose.yaml file in the sample/ directory.

Validation

After adding the line, the permission error mentioned in the issue is no longer thrown.

Related Issues

Fixes #1284

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0
  license.
• I have run pnpm checks to ensure code compiles and meets standards.
• I have run pnpm test to check if all tests are passing.
• I have covered new added functionality with unit tests if necessary.
• I have added an entry in the Changelog.md.

[kmcginnes]

@dwrth Nice catch. Using the root user in the docker image seems a bit risky to me. I wonder if changing the folder where the sample data is placed might make a difference. Perhaps the gremlin folder is owned by a different user.

Here is an example of how I moved the sample files up to the root of the docker container filesystem. You might also try something like /usr.

• main...kmcginnes:graph-explorer:poc/linux-permissions

[dwrth]

@kmcginnes Sadly that also did not fix the issue for me and I still had to manually change permissions for that directory.

I came up with another potential solution that works straight out of the box but does not require using user: root

Let me know what you think!

main...dwrth:graph-explorer:fix/gremlin-server-permissions

[kmcginnes]

@kmcginnes Sadly that also did not fix the issue for me and I still had to manually change permissions for that directory.

That's unfortunate.

I came up with another potential solution that works straight out of the box but does not require using user: root

Let me know what you think!

I do like this solution better than the root user solution. I'll check with my team mates to make sure I'm not missing anything, but I think this is a fine approach.