[Bug] Minor fixes for k8-deploy

[apujari-hippo]

Search before asking

• [X] I had searched in the issues and found no similar issues.

What happened

Faced few issue while deploying to kubernetes using https://github.com/apache/incubator-devlake/blob/main/k8s-deploy.yaml

1. DB connection string:

[error] failed to initialize database, got error Error 1045: Access denied for user 'mysql'@'x.x.x.x' (using password: YES)
panic: Error 1045: Access denied for user 'mysql'@'x.x.x.x' (using password: YES)

2. Incorrect container port
3. Indentation issue

What you expected to happen

Create a PR to fix this issue https://github.com/apache/incubator-devlake/pull/2600

How to reproduce

Try appling the current version of https://github.com/apache/incubator-devlake/blob/main/k8s-deploy.yaml

Anything else

No response

Version

main

Are you willing to submit PR?

• [X] Yes I am willing to submit a PR!

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

[apujari-hippo]

PR: https://github.com/apache/incubator-devlake/pull/2600

[github-actions[bot]]

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