version: '3'

services:
  zookeeper:
    image: wurstmeister/zookeeper
    environment:
      - JAVA_OPTS="-Xms256m -Xmx256m"
    ports:
      - "2181:2181"
  kafka:
    image: wurstmeister/kafka
    environment:
      - KAFKA_ADVERTISED_HOST_NAME=localhost
      - KAFKA_ADVERTISED_PORT=9092
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
      - KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
      - JAVA_OPTS="-Xms256m -Xmx256m"
    ports:
      - "9092:9092"
    depends_on:
      - zookeeper
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.8.23
    environment:
    - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    - discovery.type=single-node
    - xpack.security.enabled=false
    ports:
      - "9200:9200"
  postgres:
    image: postgres:alpine
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust
    ports:
      - "5432:5432"