docker-compose.yml

version: '3'
volumes:
  database:
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.2
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:7.5.2
    hostname: kafka
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_CONFLUENT_SCHEMA_REGISTRY_URL: http://schema-registry:8081

  schema-registry:
    image: confluentinc/cp-schema-registry:7.5.2
    hostname: schema-registry
    container_name: schema-registry
    depends_on:
      - zookeeper
      - kafka
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'kafka:29092'
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081

  connect:
    image: confluentinc/cp-server-connect:7.5.2
    container_name: connect
    ports:
      - "8083:8083"
    environment:
      CONNECT_BOOTSTRAP_SERVERS: kafka:29092
      CONNECT_GROUP_ID: "debezium-example"
      CONNECT_REST_ADVERTISED_HOST_NAME: connect

      CONNECT_CONFIG_STORAGE_TOPIC: connect-demo-configs
      CONNECT_OFFSET_STORAGE_TOPIC: connect-demo-offsets
      CONNECT_STATUS_STORAGE_TOPIC: connect-demo-statuses

      CONNECT_REPLICATION_FACTOR: 1
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: 1

      CONNECT_KEY_CONVERTER: org.apache.kafka.connect.storage.StringConverter
      CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: http://schema-registry:8081
      # CLASSPATH required due to CC-2422
      CLASSPATH: "/usr/share/java/monitoring-interceptors/monitoring-interceptors-7.5.2.jar"
      CONNECT_PLUGIN_PATH: '/usr/share/java,/usr/share/confluent-hub-components/,/connectors/'
    volumes:
      - database:/opt/docker/db/data
      - $PWD/stack-configs:/opt/docker/stack-configs
    command:
      - bash
      - -c
      - |
        echo "Installing connector plugins"
        confluent-hub install --no-prompt debezium/debezium-connector-postgresql:2.2.1
        echo "Launching Kafka Connect worker"
        /etc/confluent/docker/run
  postgres:
    image: postgres:15
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: productsdb
    volumes:
      - database:/var/lib/postgresql/data
      - ./postgres/init.sql:/docker-entrypoint-initdb.d/init.sql
    ports:
      - "5432:5432"
    command: >
      -c wal_level=logical
      -c max_wal_senders=1
      -c max_replication_slots=1