Use case - Traffic Light Digital Twin

Usage

You need to specify the following environment variable:

EXPOSED_PORT: the port used to expose the Digital Twin
PHYSICAL_ASSET_ID: the physical asset identifier of the mirrored physical asset
PLATFORM_URL: the platform to which the Digital Twin should register at startup

If you want to run it via docker container:

Provide a .env file with all the environment variable described above
Run the container with the command:
```
 docker run ghcr.io/webbased-wodt/usecase-trafficlight-dt:latest
```
1. If you want to pass an environment file whose name is different from .env use the --env-file <name> parameter.