How to monitor Redis with Prometheus and Grafana | Docker

version: "3.9"
services:
  grafana:
    image: grafana/grafana
    ports:
      - 3000:3000
  prometheus:
    image: prom/prometheus
    container_name: prometheus
    ports:
      - 9090:9090
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
  redis:
    image: "bitnami/redis:latest"
    ports:
      - 6379:6379
    environment:
      - REDIS_REPLICATION_MODE=master
      - REDIS_PASSWORD=my_master_password

  redis-exporter:
    image: oliver006/redis_exporter
    ports:
      - 9121:9121
    restart: unless-stopped
    environment:
      REDIS_ADDR: "redis:6379"
      REDIS_USER: null
      REDIS_PASSWORD: my_master_password
    links:
      - redis
      - prometheus

global:
  scrape_interval:     15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: prometheus
    static_configs:
      - targets: ['localhost:9090']
  - job_name: redis-exporter
    static_configs:
      - targets: ['redis-exporter:9121']

docker-compose up

http://localhost:9090/targets

http://localhost:3000