= SRE/Tools =

 * [[SRE/Tools/CloudProber|CloudProber]]
 * [[SRE/OtelOpenTelemetry]]
 * 2026 Training - https://csfoundations.cs.aalto.fi/en/courses/designing-and-building-scalable-web-applications/part-6/3-lgtm-stack {{{

# DockerCompose compose.yaml
#   grafana localhost:3000 admin:admin
#
  lgtm:
    image: grafana/otel-lgtm:0.8.6
    ports:
      - "3000:3000"
      - "4318:4318"

}}}
   * Test with deno demo app
     * Dockerfile {{{
FROM denoland/deno:alpine-2.2.3
WORKDIR /app
COPY deno.json .
RUN DENO_FUTURE=1 deno install
COPY . .
CMD [ "run", "--allow-env", "--allow-net", "--allow-read", "--unstable-otel", "--watch", "app-run.js" ]
       }}}
     * project.env {{{
OTEL_DENO=true
OTEL_EXPORTER_OTLP_ENDPOINT=http://lgtm:4318
OTEL_SERVICE_NAME=deno_server
       }}}