otelchi/examples/multi-services/README.md

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# Multi Services Example
This is a simple example of how instrumenting multiple services.
There are 2 services in this example:
- `front-svc` => the front service receiving requests from the client
- `back-svc` => the service that is being called by `front-svc` (hence named `back`)
![Architecture Diagram](architecture.svg)
All traces will be collected in [Jaeger](https://www.jaegertracing.io/).
## How to Run
Make sure to have Docker & Docker Compose installed in your system. After that run this command:
```
> make run
```
If the command runs successfully (it will take a moment), you will see something like this in the terminal:
```
back-svc_1 | 2022/07/23 01:49:29 back service is listening on :8091
front-svc_1 | 2022/07/23 01:49:26 front service is listening on :8090
...
multi-services_client_1 exited with code 0
```
Open your browser and access `http://localhost:16686` to access the Jaeger UI.
You should see some traces available already in the UI.