refactor: remove docker and test files

[QuyLX2]

• Remove all Docker related files (Dockerfile, docker-compose files)

• Remove all test files (*.spec.ts) and test configurations

• Update package.json to remove test dependencies and scripts

• Update tsconfig.build.json to remove test exclusions

Pull Request types

• 🐛 Bug Fix
• 👍 Improvement
• ✨ New Feature
• 🎉 Release
• ♻️ Refactoring
• 🚿 Refactoring (Remove functions)
• 💚 Refactoring (Test or CI)
• 👕 Fix (Lint)
• 🆙 Update (Dependency packages)
• 🚀 Improvement (Performance)
• 👮 Improvement (Security)
• 🔒 Restriction (Restrict new feature)
• 👾 Others

Description

Checklist

• 1. Build successfully on local
• 2. Format all code files included in the PR
• 3. No more unconfirmed specs in the PR
• 4. Tested the normal case and error cases following specs
• 5. Is there a refactor to the old code? If yes, have you tested the old function and noted the impact yet?
• 6. Loops have a set length and correct termination conditions
• 7. There aren't any redundant or duplicate codes in PR (clean code)
• 8. There aren't any hard-coded in the code in PR
• 9. Optimization logic handling and optimizations SQL (for example, don't get redundant data or add an index to optimize performance, query only necessary fields...)
• 10. Update issue status and add PR link to the issue

Evidence

(Screenshot or Video)

Discussion

[lamngockhuong]

Sorry, I can not merge this PR.
This boilerplate needs to implement Unit test, and we are going to plan to write unit test fully