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docker-compose-cluster.yml
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docker-compose-cluster.yml
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version: '3.9'
# Sets up a multi-node Kafka cluster w/ 3 brokers w/ the following listeners:
# - broker1 listening (external/internal): localhost:9091 / kafka1:29091
# - broker2 listening (external/internal): localhost:9092 / kafka2:29092
# - broker3 listening (external/internal): localhost:9093 / kafka3:29093
services:
kafka1:
image: confluentinc/cp-kafka:7.8.0
container_name: kafka1
hostname: kafka1
ports:
- "9091:9091"
healthcheck:
test: [ "CMD-SHELL", "nc -z localhost 9091" ]
interval: 30s
timeout: 5s
retries: 3
environment:
KAFKA_NODE_ID: 1
KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT'
KAFKA_LISTENERS: 'INTERNAL://kafka1:29091,EXTERNAL://0.0.0.0:9091,CONTROLLER://kafka1:29094'
KAFKA_ADVERTISED_LISTENERS: 'INTERNAL://kafka1:29091,EXTERNAL://localhost:9091'
KAFKA_INTER_BROKER_LISTENER_NAME: 'INTERNAL'
KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka1:29094,2@kafka2:29094,3@kafka3:29094'
KAFKA_PROCESS_ROLES: 'broker,controller'
KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
KAFKA_OFFSETS_TOPIC_NUM_PARTITIONS: 32
KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
CLUSTER_ID: '4L6g3nShT-eMCtK--X86sw'
KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
kafka2:
image: confluentinc/cp-kafka:7.8.0
container_name: kafka2
hostname: kafka2
ports:
- "9092:9092"
healthcheck:
test: [ "CMD-SHELL", "nc -z localhost 9092" ]
interval: 30s
timeout: 5s
retries: 3
environment:
KAFKA_NODE_ID: 2
KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT'
KAFKA_LISTENERS: 'INTERNAL://kafka2:29092,EXTERNAL://0.0.0.0:9092,CONTROLLER://kafka2:29094'
KAFKA_ADVERTISED_LISTENERS: 'INTERNAL://kafka2:29092,EXTERNAL://localhost:9092'
KAFKA_INTER_BROKER_LISTENER_NAME: 'INTERNAL'
KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka1:29094,2@kafka2:29094,3@kafka3:29094'
KAFKA_PROCESS_ROLES: 'broker,controller'
KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
KAFKA_OFFSETS_TOPIC_NUM_PARTITIONS: 32
KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
CLUSTER_ID: '4L6g3nShT-eMCtK--X86sw'
KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
kafka3:
image: confluentinc/cp-kafka:7.8.0
container_name: kafka3
hostname: kafka3
ports:
- "9093:9093"
healthcheck:
test: [ "CMD-SHELL", "nc -z localhost 9093" ]
interval: 30s
timeout: 5s
retries: 3
environment:
KAFKA_NODE_ID: 3
KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT'
KAFKA_LISTENERS: 'INTERNAL://kafka3:29093,EXTERNAL://0.0.0.0:9093,CONTROLLER://kafka3:29094'
KAFKA_ADVERTISED_LISTENERS: 'INTERNAL://kafka3:29093,EXTERNAL://localhost:9093'
KAFKA_INTER_BROKER_LISTENER_NAME: 'INTERNAL'
KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka1:29094,2@kafka2:29094,3@kafka3:29094'
KAFKA_PROCESS_ROLES: 'broker,controller'
KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
KAFKA_OFFSETS_TOPIC_NUM_PARTITIONS: 32
KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
CLUSTER_ID: '4L6g3nShT-eMCtK--X86sw'
KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
schema-registry:
image: confluentinc/cp-schema-registry:7.8.0
container_name: schema-registry
hostname: schema-registry
ports:
- "8081:8081"
environment:
SCHEMA_REGISTRY_HOST_NAME: schema-registry
SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'kafka1:29091,kafka2:29092,kafka3:29093'
SCHEMA_REGISTRY_LISTENERS: 'http://0.0.0.0:8081'
SCHEMA_REGISTRY_LOG4J_ROOT_LOGLEVEL: WARN
depends_on:
kafka1:
condition: service_healthy
kafka2:
condition: service_healthy
kafka3:
condition: service_healthy
kafdrop:
image: obsidiandynamics/kafdrop
restart: "no"
ports:
- "9000:9000"
environment:
KAFKA_BROKERCONNECT: "kafka1:29091,kafka2:29092,kafka3:29093"
depends_on:
kafka1:
condition: service_healthy
kafka2:
condition: service_healthy
kafka3:
condition: service_healthy