docker use mysql && xdebug

[czliyu]

No description provided.

[rw4lll]

Hi @czliyu ! 👋
Thanks a lot for taking the time to submit this pull request.

Before I can review it properly, could you please add a brief description of the changes and the motivation behind them? Right now, the PR includes quite a few modifications, and it’s not entirely clear what problem it’s trying to solve or which parts are intentional improvements vs. accidental side effects.

It would be really helpful if you could:
• Summarize the main goal of the PR (what you’re trying to fix or improve);
• Split unrelated changes into separate PRs, if possible;
• Keep the scope focused on a single topic per PR (e.g. just fixing one issue or improving one aspect).

Looking forward to your update — and again, thanks for contributing!