docker-compose.yml

version: '2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.0.1
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - '2181:2181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-kafka:5.0.1
    hostname: broker
    container_name: broker
    depends_on:
      - zookeeper
    ports:
      - '9092:9092'
      - '29092:29092'
    environment:
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:9092,PLAINTEXT_HOST://localhost:29092

  schema-registry:
    image: confluentinc/cp-schema-registry:5.0.1
    hostname: schema-registry
    container_name: schema-registry
    depends_on:
      - zookeeper
      - broker
    ports:
      - '8081:8081'
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: 'zookeeper:2181'

  postgres:
    image: circleci/postgres:10-alpine
    hostname: pg
    container_name: pg
    ports:
      - 5432:5432
    environment:
      POSTGRES_PASSWORD: dev-pass