change flags from --ports to --publish

[cpaasarch]

Ⅰ. Describe what this PR did

pouch have a flags --ports but in docker the flags is --publish.so I want to change --ports to --publish

Ⅱ. Does this pull request fix one issue?

no

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

no. only change a flags .and I Install the rpm package local , then tests for the feature.

Ⅳ. Describe how to verify it

Step1: build and install
Step2: pouch run --help check the flags

Ⅴ. Special notes for reviews

shlallen

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@4d421ec). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2478   +/-   ##
=========================================
  Coverage          ?   68.79%           
=========================================
  Files             ?      277           
  Lines             ?    18330           
  Branches          ?        0           
=========================================
  Hits              ?    12610           
  Misses            ?     4279           
  Partials          ?     1441

Flag	Coverage Δ
#criv1alpha1test	31.44% <ø> (?)
#criv1alpha2test	35.78% <ø> (?)
#integrationtest	40.35% <ø> (?)
#nodee2etest	32.89% <ø> (?)
#unittest	26.69% <ø> (?)

[pouchrobot]

We found this is your first time to contribute to Pouch, @cpaasarch
👏 We really appreciate it.
Just remind that you have read the contribution guide: https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md
If you didn't, you should do that first. If done, welcome again and please enjoy hacking! 🍻

[CLAassistant]

All committers have signed the CLA.

[fuweid]

@cpaasarch could you use git commit -s --amend and repush your branch to sign your work? Thanks

More detail is here https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md#sign-your-work

[allencloud]

LGTM, but still wait for the CI to finish.

[fuweid]

LGTM