Tag: observability
All the articles with the tag "observability".
Spring Boot logging, from log levels to Grafana Loki
A Spring Boot 4.1 service that logs at every level, writes JSON with one property, changes its log level at runtime through Actuator and ships everything to Loki with Grafana Alloy. Every config file, command and output, plus the LogQL that finds a failed payment and its stack trace.
