docker-compose.yaml

version: '3.8'
services:
  postgres:
    image: postgres
    container_name: spring_batch_postgres_db
    environment:
      POSTGRES_USER: root
      POSTGRES_PASSWORD: password
      POSTGRES_DB: spring_batch
    ports:
      - "5432:5432"
    volumes:
      - ./docker-entrypoint:/docker-entrypoint-initdb.d
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    container_name: spring-batch-zookeeper-demo
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"

  kafka-broker:
    image: confluentinc/cp-kafka:latest
    hostname: kafka-broker-1
    container_name: spring-batch-kafka-demo
    ports:
      - "19092:19092"
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-broker-1:9092,PLAINTEXT_INTERNAL://localhost:19092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1