Part 2: Log4j2 File Appender Tutorial | Multiple Appenders, External Config & Java Logging Setup

Whether you're building a Java backend or a Spring Boot microservice, logging is crucial for debugging and observability. Let’s set it up the right way!

🚀 What you'll learn:
✔️ Configure a basic File Appender
✔️ Essential File Appender properties explained
✔️ Setup for multiple appenders (e.g., console + file)
✔️ Use cases for each appender type
✔️ Real Java example with logger configuration