chore(): some optimizations

README.md

@@ -105,10 +105,10 @@ To run the compose configuration, use the following command:
 ```bash
 docker compose -f compose.yaml up
 # OR
-docker compose -f compose.prod.yaml up
+docker compose -f compose.prod.yaml --profile observability up
 ```
 
-Thats it, project is already preconfigured for running, so no changes before running this are required.
+That's it, project is already preconfigured for running, so no changes before running this are required.
 
 ## Linting && formatting
 
@@ -134,6 +134,10 @@ Example run:
 
 System metrics (gc, requests, etc.) and several business metrics (`lotty_decide_requests_total`, `lotty_events_ingested_total`).
 
+### OTEL
+
+You can enable full observability for backend by setting `OTEL_ENABLED=True` in `.env`, also you need to run `compose.prod.yaml` with `observability` profile in order to deploy full observability stack
+
 ## Load testing (k6)
 
 Reproducible k6 profile for `POST /api/v1/decide`: