fix: Synced ports between Dockerfiles and comments

[mitar]

Related: ory/docs#651

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security. vulnerability, I
  confirm that I got green light (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

[codecov]

Codecov Report

Merging #3027 (1a1143c) into master (3115dde) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3027   +/-   ##
=======================================
  Coverage   79.42%   79.42%           
=======================================
  Files         112      112           
  Lines        7889     7889           
=======================================
  Hits         6266     6266           
  Misses       1222     1222           
  Partials      401      401           

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[grantzvolsky]

+1