In this video you'll learn everything you need to know about logging the right way on Spring Boot. This crash course will be split into these parts:

Console logging
Changing default logger config (+ log setup for dev & prod)
Remote logging with Grafana Loki
Rotating JSON file logs

Afterwards, you'll be able to know what to log where and how to set up your rules to only see what you need to see.

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Regular programming advice on my Instagram page: 
https://www.instagram.com/_philipplackner_/

Get the source code for this video on GitHub:
https://github.com/philipplackner/SpringBootCrashCourse

📺 Full 2025 Backend Dev Crash Course for Beginners With Spring Boot (Kotlin, JWT Auth, MongoDB)
https://www.youtube.com/watch?v=tXC9DQRWHUQ

00:00 - Introduction
2:00 - Console logging
7:05 - Configuring what to log when
13:14 - Grafana Loki overview
16:24 - Console logger config with Logback
24:10 - Grafana Loki log appenders
44:20 - Attaching custom Loki metadata
53:46 - Rotating JSON file logs
1:01:17 - Production logging best practices

Philipp Lackner

This crash course introduces spring boot logging for beginners, emphasizing its importance in backend development. It covers advanced logging techniques such as configuring logs for different environments, remote logging using Grafana Loki, and implementing JSON formatted logs. The tutorial also includes setting up structured metadata and configuring a uniform log format for easier traceability and debugging.

1h Spring Boot Logging Crash Course For Beginners (Config, Remote Logs, JSON Logging & More)