version: '3.8'
services:
  mysqld-exporter:
    image: quay.io/prometheus/mysqld-exporter:v0.15.1
    container_name: mysqld-exporter
    restart: always 
    ports:
      - "9104:9104" 
    volumes:
      - ./my.cnf:/etc/mysqld_exporter/.my.cnf:ro
    command:
      - "--config.my-cnf=/etc/mysqld_exporter/.my.cnf"