A note about correct network interface when publishing routes

tike-container-platform/instructions/how-to-publish.md

@@ -275,3 +275,4 @@ Check the following things:
   - `oc port-forward <pod-name> <local-port>:<pod-port>`
   - and in another terminal: `curl localhost:<local-port>`
 - Your Service has correct endpoints. Optionally the `selectorLabel` in your Service is not matching to the correct pods. The command "`oc get endpoints`" should list all Services and their endpoints. At least one endpoint resembling `10.12.*:<pod-port>` should exist.
+- The software in your container has bound to listen to correct network interface (as seen from inside container). `localhost` may not work, try `0.0.0.0` instead.