docker-compose.yml

#
# This docker-compose file starts and runs:
# * A 3-node kafka cluster
# * A 1-zookeeper ensemble
# * Schema Registry
# * Kafka REST Proxy
# * Kafka Connect
#

version: '3.7'

services:
  mongodb:
    image: mongo:latest
    environment:
        MONGO_INITDB_ROOT_USERNAME: demo_user
        MONGO_INITDB_ROOT_PASSWORD: ${MONGO_INITDB_ROOT_PASSWORD}
        MONGO_INITDB_DATABASE: 'events'
    ports:
        - "27017:27017"

  zookeeper:
    image: confluentinc/cp-zookeeper:5.2.2
    ports:
    - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: "2181"

  kafka0:
    image: confluentinc/cp-kafka:5.2.2
    ports:
    - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 0
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka0:19092,EXTERNAL://${HOST_IP:-127.0.0.1}:9092"
      KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: "1"
    depends_on:
    - "zookeeper"