version: '3' services: sentinel1: image: redis container_name: redis-sentinel-1 ports: - 26379:26379 command: redis-sentinel /usr/local/etc/redis/sentinel.conf volumes: - ./sentinel1.conf:/usr/local/etc/redis/sentinel.conf sentinel2: image: redis container_name: redis-sentinel-2 ports: - 26380:26379 command: redis-sentinel /usr/local/etc/redis/sentinel.conf volumes: - ./sentinel2.conf:/usr/local/etc/redis/sentinel.conf sentinel3: image: redis container_name: redis-sentinel-3 ports: - 26381:26379 command: redis-sentinel /usr/local/etc/redis/sentinel.conf volumes: - ./sentinel3.conf:/usr/local/etc/redis/sentinel.conf networks: default: external: name: redis_default