Feature/set perms on run

[maxfortun]

Description

Moved user id setting from build time to runtime in order to set writable permissions on config files

Related Issue

Motivation and Context

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[pcmxgti]

@maxfortun, thank you for this. We ended up taking a slightly different approach to fix this issue. The Dockerfile and documentation changes in #124 should make running on Linux a lot easier. Let us know if it doesn't work for you, and we will look for a different solution.