Logback - Quick Reference When to Use This Skill - Configure logging in Spring Boot/Java applications - File appender with rotation - High-performance async logging Deep Knowledge : Use with technology: for comprehensive documentation. Configuration logback-spring.xml (Spring Boot) JSON Format (ELK Stack) MDC Usage When NOT to Use This Skill - SLF4J API questions : Focus on API usage, not Logback implementation details - Log4j2 configuration : Different XML structure and features - Application code logging : Use SLF4J API, Logback is just the implementation - Non-Java projects : Use language-…