Docker compose mysql_exporter start error

Exporters and Metrics
2

I faced the same problem today, it seems like the docs are a little bit outdated, i was able to make it work with this docker compose file:

  mysqld-exporter:
    image: quay.io/prometheus/mysqld-exporter
    container_name: mysqld-exporter
    restart: unless-stopped
    command:
     - "--mysqld.username=user:password"
     - "--mysqld.address=host:port"
    networks:
      - mynet
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