docker/monitoring/docker-exporter/TEST_EXAMPLE.md

Exporter image-mapping test example

Run the exporter in dry-run mode to print the service -> image:tag mapping without starting the metrics loop:

SERVICES_UP_SCRIPT=/workspace/docker/services-up.sh python monitoring/docker-exporter/exporter.py --dry-run

Example output excerpt:

{
  "crowdsec": "crowdsecurity/crowdsec:latest",
  "docker-update-exporter": "python:3.11-slim",
  "nextcloud-webapp": "nextcloud:production",
  "node-red": "nodered/node-red:latest",
  "prometheus": "prom/prometheus:latest",
  "traefik": "traefik:3"
}

This confirms the exporter now reports images for both:

• services with explicit image: values, and
• services using build: contexts.