fix: Fix version response

Author: Alan Christie

README.md

@@ -125,10 +125,14 @@ And shut it down with: -
 
     docker compose down
 
-You can interact with it using `http`, where you should be able to create
-and delete event streams using the internal API. Here we're using
-`jq` and `cut` to process the response body to simplify the subsequent **DELETE**
-request: -
+You can interact with it using `http`, where you should be able to
+get the version of the service, create, and delete event streams
+using the internal API: -
+
+    http localhost:8081/event-stream/version/ -b
+
+Here we're using `jq` and `cut` to process the response body to simplify the
+subsequent **DELETE** request: -
 
 To create (**POST**) an event stream, run the following:
 

app/app.py

@@ -229,18 +229,18 @@ async def _get_from_queue(routing_key: str):
 # Endpoints for the 'internal' event-stream management API -----------------------------
 
 
-@app_internal.post("/event-stream/version/", status_code=status.HTTP_200_CREATED)
+@app_internal.get("/event-stream/version/", status_code=status.HTTP_200_OK)
 def get_es_version() -> EventStreamGetVersionResponse:
     """Returns our version information."""
     # And construct the location we'll be listening on...
-    return EventStreamPostResponse(
+    return EventStreamGetVersionResponse(
         category="WEBSOCKET",
         name="Python FastAPI",
         version=_VERSION,
     )
 
 
-@app_internal.post("/event-stream/", status_code=status.HTTP_201_OK)
+@app_internal.post("/event-stream/", status_code=status.HTTP_201_CREATED)
 def post_es(request_body: EventStreamPostRequestBody) -> EventStreamPostResponse:
     """Create a new event-stream returning the endpoint location.