Update dispatch url used in examples to dummy

Signed-off-by: Mathias L. Baumann <[email protected]>

Author: Marenz

README.md

@@ -30,7 +30,7 @@ async def create_actor(dispatch: DispatchInfo, receiver: Receiver[DispatchInfo])
     return MagicMock(dispatch=dispatch, receiver=receiver)
 
 async def run():
-    url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+    url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
     key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
     microgrid_id = 1

src/frequenz/dispatch/_actor_dispatcher.py

@@ -115,7 +115,7 @@ def _update_dispatch_information(self, dispatch_update: DispatchInfo) -> None:
                     )
 
     async def main():
-        url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+        url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
         key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
         microgrid_id = 1

src/frequenz/dispatch/_dispatcher.py

@@ -55,7 +55,7 @@ async def create_actor(dispatch: DispatchInfo, receiver: Receiver[DispatchInfo])
             return MagicMock(dispatch=dispatch, receiver=receiver)
 
         async def run():
-            url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+            url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
             key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
             microgrid_id = 1
@@ -81,7 +81,7 @@ async def run():
         from unittest.mock import MagicMock
 
         async def run():
-            url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+            url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
             key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
             microgrid_id = 1
@@ -126,7 +126,7 @@ async def run():
         from frequenz.dispatch import Created, Deleted, Dispatcher, Updated
 
         async def run():
-            url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+            url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
             key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
             microgrid_id = 1
@@ -163,7 +163,7 @@ async def run():
         from frequenz.dispatch import Dispatcher
 
         async def run():
-            url = os.getenv("DISPATCH_API_URL", "grpc://fz-0004.frequenz.io:50051")
+            url = os.getenv("DISPATCH_API_URL", "grpc://dispatch.url.goes.here.example.com")
             key  = os.getenv("DISPATCH_API_KEY", "some-key")
 
             microgrid_id = 1