Languages

Implementation guides for observability across all four pillars in each supported language.

Language	Logging	Metrics	Tracing	Health Checks
JavaScript	Winston/Pino	prom-client	@opentelemetry/sdk-node	Express
Python	structlog	prometheus-client	opentelemetry	FastAPI
.NET	Serilog	prometheus-net	OpenTelemetry.NET	IHealthCheck
Java	Logback	Micrometer	OpenTelemetry	Spring Actuator
Rust	tracing	prometheus	opentelemetry-rust	tonic-health

Each page covers:

• Logging - Structured JSON logging to stdout
• Metrics - Prometheus format exposition
• Tracing - OpenTelemetry instrumentation
• Health Checks - Kubernetes probe endpoints