docs(docs/*.md): verified all documented commands working

uniformly using pytest --cov for coverage because project is an app and not a python package. removed redundant docker-design sections because already implemented in cicd automation

Author: KemingHe

docs/developer-guide.md

@@ -203,7 +203,7 @@ When adding new features or customizations, make sure to:
 pytest
 
 # Run with coverage
-pytest --cov=strain_seer
+pytest --cov
 ```
 
 ## 📦 Dependencies

docs/docker-design.md

@@ -164,21 +164,3 @@ HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    - Clear stage separation
    - Well-documented environment variables
    - Consistent naming conventions
-
-## 🔄 Future Considerations
-
-1. **Versioning**:
-   - Consider using specific version tags
-   - Implement automated version bumping
-
-2. **CI/CD Integration**:
-   - Add automated testing in container
-   - Implement automated builds and pushes
-
-3. **Monitoring**:
-   - Add logging configuration
-   - Consider metrics collection
-
-4. **Security**:
-   - Regular dependency updates
-   - Security scanning integration

tests/README.md

@@ -42,7 +42,7 @@ Tests data processing and visualization in `strain_analysis_data.py`:
 ```shell
 pytest  # Run all tests
 
-pytest --cov tests/  # Run with coverage
+pytest --cov  # Run with coverage
 ```
 
 ## 📝 Best Practices