docker-compose.yml

version: '3.5'

# docker-compose up --detach --scale redis-master=1 --scale redis-replica=4 --scale redis-sentinel=3

services:
  redis-master:
    image: 'bitnami/redis:latest'
    hostname: redis-master
    container_name: redis-master
    ports:
      - '0.0.0.0:16379:6379'
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_REPLICATION_MODE=master
    #      - REDIS_PASSWORD=bitnami
    volumes:
      - 'redis:/opt/bitnami/redis/etc/'

  redis-replica:
    image: 'bitnami/redis:latest'
    hostname: redis-replica
    ports:
      - '6379'
    links:
      - redis-master
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_REPLICATION_MODE=slave
      - REDIS_MASTER_HOST=redis-master
  #      - REDIS_MASTER_PASSWORD=bitnami
  #      - REDIS_PASSWORD=bitnami

  redis-sentinel:
    hostname: sentinel
    image: 'bitnami/redis-sentinel:latest'
    networks:
      - default
    ports:
      - '0.0.0.0:26379-26381:26379'
    links:
      - redis-master
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      #      - REDIS_SENTINEL_RESOLVE_HOSTNAMES=yes # Enables sentinel hostnames support. This is available only for Redis(R) 6.2 or higher. Default: no.
      - REDIS_MASTER_HOST=redis-master # Host of the Redis(R) master to monitor. Default: redis.
      #      - REDIS_MASTER_PORT_NUMBER=16379 # Port of the Redis(R) master to monitor. Default: 6379.
      - REDIS_SENTINEL_QUORUM=2 # Number of Sentinels that need to agree about the fact the master is not reachable. Default: 2.
      #      - REDIS_MASTER_PASSWORD=bitnami # Password to authenticate with the master. No defaults. As an alternative, you can mount a file with the password and set the REDIS_MASTER_PASSWORD_FILE variable.
      - REDIS_MASTER_SET=master-node # Name of the set of Redis(R) instances to monitor. Default: mymaster.
      #      - REDIS_MASTER_USER=bitnami # Username to authenticate with when ACL is enabled for the master. No defaults. This is available only for Redis(R) 6 or higher. If not specified, Redis(R) Sentinel will try to authenticate with just the password (using sentinel auth-pass <master-name> <password>).
      #- REDIS_SENTINEL_PORT_NUMBER=26379 #Redis(R) Sentinel port. Default: 26379.
      #- REDIS_SENTINEL_PASSWORD=bitnami # Password to authenticate with this sentinel and to authenticate to other sentinels. No defaults. Needs to be identical on all sentinels. As an alternative, you can mount a file with the password and set the REDIS_SENTINEL_PASSWORD_FILE variable.
      - REDIS_SENTINEL_DOWN_AFTER_MILLISECONDS=5000 # Number of milliseconds before master is declared down. Default: 60000.
      - REDIS_SENTINEL_FAILOVER_TIMEOUT=60000 # Specifies the failover timeout in milliseconds. Default: 180000.
      - REDIS_SENTINEL_TLS_ENABLED=no # Whether to enable TLS for traffic or not. Default: no.
        #- REDIS_SENTINEL_TLS_PORT_NUMBER: Port used for TLS secure traffic. Default: 26379.
        #- REDIS_SENTINEL_TLS_CERT_FILE: File containing the certificate file for the TLS traffic. No defaults.
        #- REDIS_SENTINEL_TLS_KEY_FILE: File containing the key for certificate. No defaults.
        #- REDIS_SENTINEL_TLS_CA_FILE: File containing the CA of the certificate. No defaults.
        #- REDIS_SENTINEL_TLS_DH_PARAMS_FILE: File containing DH params (in order to support DH based ciphers). No defaults.
        #- REDIS_SENTINEL_TLS_AUTH_CLIENTS:
      #-   Whether to require clients to authenticate or not. Default: yes.
      - REDIS_SENTINEL_ANNOUNCE_IP=0.0.0.0 # Use the specified IP address in the HELLO messages used to gossip its presence. Default: auto-detected local address.
  #      - REDIS_SENTINEL_ANNOUNCE_PORT=26379 # Use the specified port in the HELLO messages used to gossip its presence.

networks:
  default:
    external:
      name: microservices_net

volumes:
  redis:
    driver: local