# mongodb-exporter-probe — HTTP serving proof for the mongodb exporter.
# The exporter image has no shell, so its /metrics reachability is checked
# here (busybox spider). healthy == /metrics answers.
services:
  mongodb-exporter-probe:
    image: ${PROBE_IMAGE:-busybox:1.36}
    container_name: mongodb-exporter-probe
    hostname: mongodb-exporter-probe
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "wget -q --spider --timeout=5 http://mongodb-exporter:9216/metrics >/dev/null 2>&1 || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 30s
    entrypoint: ["sh", "-c", "sleep infinity"]
    networks:
      - overleaf-network

networks:
  overleaf-network:
    external: true