hoangnguyen0403/spring-boot-observability
skills/spring-boot/spring-boot-observability/SKILL.md
Instrument Spring Boot with Micrometer metrics, distributed tracing, and structured logging. Use when adding Micrometer metrics, distributed tracing, or structured logging to Spring Boot.
$ install --global
skillsauthnpx skillsauth add hoangnguyen0403/agent-skills-standard spring-boot-observabilityInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: May 21, 2026, 2:47 AM227.2s3 files scanned
SKILL.md
- name:
- spring-boot-observability
- description:
- Instrument Spring Boot with Micrometer metrics, distributed tracing, and structured logging. Use when adding Micrometer metrics, distributed tracing, or structured logging to Spring Boot.
Spring Boot Observability
Priority: P0
Implementation Workflow
- Add tracing and metrics dependencies to
pom.xml - Configure
application.yamlfor tracing, actuator, and log correlation - Add structured logging with MDC context
- Verify with
curl localhost:8080/actuator/prometheusand check trace IDs in logs
Enable Distributed Tracing
- Correlation IDs: Enable trace/span ID injection.
- Propagation: Propagate context across threads (
@Async) and clients. - OpenTelemetry: Use OTel bridge (
micrometer-tracing-bridge-otel).
See implementation examples for application.yaml tracing configuration and actuator exposure.
Configure Structured Logging
- Format: Use JSON logging (
logstash-logback-encoder) in production. - MDC: Use MDC for contextual info (userId, tenantId). Always clear MDC in finally block.
- Output: Log to stdout only. Let container handle shipping.
See implementation examples for structured logging with MDC context and Logstash encoder.
Secure Actuator Endpoints
- Security: Secure
/actuator/**with Admin role. - Probes: Enable K8s Liveness/Readiness probes.
- Verify: Run
curl localhost:8080/actuator/prometheusto confirm metrics exposed.
Anti-Patterns
- No System.out: Use @Slf4j for all structured logging.
- No open Actuator: Secure /actuator/** with Admin role.
- No DIY tracing: Use Micrometer with OTel bridge.
References
- Implementation Examples
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