Myasuka opened a new pull request #9470: [FLINK-13380][k8s] Improve the 
usability of Flink session cluster on Kubernetes
URL: https://github.com/apache/flink/pull/9470
 
 
   
   ## What is the purpose of the change
   Previous template of Flink session cluster on Kubernetes has several 
shortcoming:
   * flink-conf.yaml is not supported to configure, user have to rebuild docker 
   * No explicit documentation of how to submit jobs to session cluster. There 
existed some related question on stackoverflow. I think we should add nodeport 
for 8081 port in deployment 
   * Cannot view logs via Flink web UI.
   This PR is to help improve this.
   
   ## Brief change log
   Modify `docs/ops/deployment/kubernetes.md ` to provide more powerful 
templates.
   
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): **no**
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: **no**
     - The serializers: **no**
     - The runtime per-record code paths (performance sensitive): **no**
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: **no**
     - The S3 file system connector: **no**
   
   ## Documentation
   
     - Does this pull request introduce a new feature? **no**
     - If yes, how is the feature documented? **not applicable**
   

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