version: "3.8"

networks:
  mapleopentech-private-prod:
    external: true

volumes:
  cassandra-1-data:
  cassandra-2-data:
  cassandra-3-data:

services:
  cassandra-1:
    image: cassandra:5.0.4
    hostname: cassandra-1
    networks:
      - mapleopentech-private-prod
    environment:
      - CASSANDRA_CLUSTER_NAME=mapleopentech-prod-cluster
      - CASSANDRA_DC=datacenter1
      - CASSANDRA_ENDPOINT_SNITCH=GossipingPropertyFileSnitch
      - CASSANDRA_SEEDS=cassandra-1,cassandra-2,cassandra-3
      - MAX_HEAP_SIZE=512M
      - HEAP_NEWSIZE=128M
    volumes:
      - cassandra-1-data:/var/lib/cassandra
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.cassandra == node1
      restart_policy:
        condition: on-failure
        delay: 10s
        max_attempts: 3
    healthcheck:
      test: ["CMD-SHELL", "cqlsh -e 'describe cluster' || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 120s

  cassandra-2:
    image: cassandra:5.0.4
    hostname: cassandra-2
    networks:
      - mapleopentech-private-prod
    environment:
      - CASSANDRA_CLUSTER_NAME=mapleopentech-prod-cluster
      - CASSANDRA_DC=datacenter1
      - CASSANDRA_ENDPOINT_SNITCH=GossipingPropertyFileSnitch
      - CASSANDRA_SEEDS=cassandra-1,cassandra-2,cassandra-3
      - MAX_HEAP_SIZE=512M
      - HEAP_NEWSIZE=128M
    volumes:
      - cassandra-2-data:/var/lib/cassandra
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.cassandra == node2
      restart_policy:
        condition: on-failure
        delay: 10s
        max_attempts: 3
    healthcheck:
      test: ["CMD-SHELL", "cqlsh -e 'describe cluster' || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 120s

  cassandra-3:
    image: cassandra:5.0.4
    hostname: cassandra-3
    networks:
      - mapleopentech-private-prod
    environment:
      - CASSANDRA_CLUSTER_NAME=mapleopentech-prod-cluster
      - CASSANDRA_DC=datacenter1
      - CASSANDRA_ENDPOINT_SNITCH=GossipingPropertyFileSnitch
      - CASSANDRA_SEEDS=cassandra-1,cassandra-2,cassandra-3
      - MAX_HEAP_SIZE=512M
      - HEAP_NEWSIZE=128M
    volumes:
      - cassandra-3-data:/var/lib/cassandra
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.cassandra == node3
      restart_policy:
        condition: on-failure
        delay: 10s
        max_attempts: 3
    healthcheck:
      test: ["CMD-SHELL", "cqlsh -e 'describe cluster' || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 120s