cassandra4-3-servers-cluster-docker-compose.yml

# Latest version of the Docker-compose language to this date
version: '3.9'

# The virtual network all the nodes will be into - let Docker organize everything
# Though you can set up networks manually if you need correlation between nodes and IPs, for instance...
networks:

    cassandra4-cluster-network:

services:

    cassandra4-cluster-server-1:
        # Feel free to fix the versions
        image: cassandra:4.0
        container_name: cassandra4-cluster-server-1
        hostname: cassandra4-cluster-server-1
        healthcheck:
            test: ["CMD", "cqlsh", "-e", "describe keyspaces" ]
            interval: 10s
            timeout: 10s
            retries: 10
        networks:
            - cassandra4-cluster-network
        ports:
            # Native port of Cassandra
            - "9042:9042"
        volumes:
            - ./docker-volumes/cassandra4-cluster-server-1:/var/lib/cassandra
            - ./docker-sources/etc-slash-cassandra4/cassandra4-cluster-server-1:/etc/cassandra
        # Declare and save environments variables into "environment"
        environment: &environment
            # The first two nodes will be seeds
            CASSANDRA_SEEDS: "cassandra4-cluster-server-1,cassandra4-cluster-server-2"
            CASSANDRA_CLUSTER_NAME: CassandraPW
            CASSANDRA_DC: Mars
            CASSANDRA_RACK: West
            CASSANDRA_ENDPOINT_SNITCH: GossipingPropertyFileSnitch
            CASSANDRA_NUM_TOKENS: 128

    cassandra4-cluster-server-2:
        # Feel free to fix the versions
        image: cassandra:4.0
        container_name: cassandra4-cluster-server-2
        hostname: cassandra4-cluster-server-2
        healthcheck:
            test: ["CMD", "cqlsh", "-e", "describe keyspaces" ]
            interval: 10s
            timeout: 10s
            retries: 10
        networks:
            - cassandra4-cluster-network
        ports:
            - "9043:9042"  # Expose native binary CQL port for your apps
        volumes:
            - ./docker-volumes/cassandra4-cluster-server-2:/var/lib/cassandra    # This is the volume that will persist data for cass2 node
            - ./docker-sources/etc-slash-cassandra4/cassandra4-cluster-server-2:/etc/cassandra    # Use your own config files for full control
        environment: *environment    # point to "environment" to use the same environment variables as cass1
        # Set up some startup dependencies
        depends_on:
            - 'cassandra4-cluster-server-1'

    cassandra4-cluster-server-3:
        # Feel free to fix the versions
        image: cassandra:4.0
        container_name: cassandra4-cluster-server-3
        hostname: cassandra4-cluster-server-3
        healthcheck:
            test: ["CMD", "cqlsh", "-e", "describe keyspaces" ]
            interval: 10s
            timeout: 10s
            retries: 10
        networks:
            - cassandra4-cluster-network
        ports:
            - "9044:9042"  # Expose native binary CQL port for your apps
        volumes:
            - ./docker-volumes/cassandra4-cluster-server-3:/var/lib/cassandra    # This is the volume that will persist data for cass3 node
            - ./docker-sources/etc-slash-cassandra4/cassandra4-cluster-server-3:/etc/cassandra    # Use your own config files for full control
        environment: *environment    # point to "environment" to use the same environment variables as cass1
        # Set up some startup dependencies
        depends_on:
            - 'cassandra4-cluster-server-2'