DIP_CURRENT_USER added

[willtcarey]

Context

Adds a DIP_CURRENT_USER variable to the special variables that dip exposes.

Related tickets

• User Level Permissions by Default? #153
• Current Docker host user UID special environment variable #167

Checklist:

• I have added tests
• I have made corresponding changes to the documentation

I haven't added tests, but I couldn't find any tests for the existing special variables.

This is my dip config and terminal command showing it working.

# Required minimum dip version
version: '7.1'

compose:
  files:
    - docker-compose.yml
    - docker-compose.$USER.yml

environment:
  USER_ID: ${DIP_CURRENT_USER}

interaction:
  bash:
    description: Open the Bash shell in app's container
    service: app
    command: bash
    compose_run_options: [no-deps]

[bibendi]

https://github.com/bibendi/dip/releases/tag/v7.8.0