Add otel to local dev

tasks.py

@@ -53,5 +53,12 @@ def build_image(c, dev=True, registry_user=None, registry_token=None, push=False
 
 
 @task
-def serve_dev(c):
+def serve_dev(c, otel=False):
-    c.run("FLASK_APP=./learn_otel/app.py flask run -p 8888")
+    if otel:
+        c.run(
+            "FLASK_APP=./learn_otel/app.py OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED=true "
+            "opentelemetry-instrument --traces_exporter console --metrics_exporter console --logs_exporter console "
+            "--service_name dice-server flask run -p 8888"
+        )
+    else:
+        c.run("FLASK_APP=./learn_otel/app.py flask run -p 8888")