kraft-single-node-stack.yml

#  Copyright 2023 The original authors
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at

#  http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
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version: '3.8'
services:
  kafka101:
    image: "confluentinc/cp-kafka:${CONFLUENT_VERSION}"
    ports:
      - "9092:9092"
      - "9991:9991"
    container_name: kafka101
    environment:
      KAFKA_NODE_ID: 101
      # random cluster ID used for formatting LOG_DIR for KRaft
      CLUSTER_ID: 'xtzWWN4bTjitpL3kfd9s5g'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '101@kafka101:29093'
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_JMX_PORT: 9991
      KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://kafka101:29092,PLAINTEXT_HOST://localhost:9092'
      KAFKA_LISTENERS: 'PLAINTEXT://kafka101:29092,PLAINTEXT_HOST://0.0.0.0:9092,CONTROLLER://kafka101:29093'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT'
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_INTER_BROKER_LISTENER_NAME: 'PLAINTEXT'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS: kafka101:29092
      CONFLUENT_METRICS_REPORTER_TOPIC_REPLICAS: 1
      CONFLUENT_METRICS_ENABLE: 'false'
      KAFKA_HEAP_OPTS: ${KAFKA_BROKER_HEAP_OPTS}
    deploy:
      resources:
        limits:
          memory: ${KAFKA_BROKER_MEM_LIMIT}
    networks:
      - kafka-platform

  kafka-schema-registry:
    image: confluentinc/cp-schema-registry:${CONFLUENT_VERSION}
    hostname: kafka-schema-registry
    container_name: kafka-schema-registry
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka101:29092
      SCHEMA_REGISTRY_HOST_NAME: kafka-schema-registry
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081
      SCHEMA_REGISTRY_HEAP_OPTS: ${SCHEMA_REGISTRY_HEAP_OPTS}
    depends_on:
      - kafka101
    deploy:
      resources:
        limits:
          memory: ${SCHEMA_REGISTRY_MEM_LIMIT}
    networks:
      - kafka-platform

networks:
  kafka-platform:
    name: kafka-platform
    driver: bridge