Run with empty host for dual stack mode, add to documentation

Author: white-gecko

README.md

@@ -27,7 +27,7 @@ or
 ```sh
 $ GRAPH_FILE=graph.ttl poetry run fastapi dev sparql_file.py
 # or
-$ GRAPH_FILE=graph.ttl poetry run uvicorn sparql_file:app --host 0.0.0.0 --port 8080
+$ GRAPH_FILE=graph.ttl poetry run uvicorn sparql_file:app --host '' --port 8080
 ```
 
 ## Run With Podman/Docker (local build)

Taskfile.yaml

@@ -20,7 +20,7 @@ tasks:
   serve:uvicorn:
     desc: Run with uvicorn
     cmds:
-      - poetry run uvicorn sparql_file:app --host 0.0.0.0 --port 8080
+      - poetry run uvicorn sparql_file:app --host '' --port 8080
 
   serve:container:
     desc: Run the container with podman