docker-compose.yml

version: '2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.3.1
    hostname: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181

  kafka-1:
    image: confluentinc/cp-kafka:5.3.1
    hostname: kafka-1
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-1:9092

  kafka-2:
    image: confluentinc/cp-kafka:5.3.1
    hostname: kafka-2
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-2:9092

  kafka-3:
    image: confluentinc/cp-kafka:5.3.1
    hostname: kafka-3
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-3:9092

  telegraf-topic:
    image: confluentinc/cp-kafka:5.3.1
    command: bash -c "cub kafka-ready -z zookeeper:2181 1 30 && kafka-topics --zookeeper zookeeper:2181 --create --topic telegraf --partitions 10 --replication-factor 3"
    depends_on:
      - zookeeper

  telegraf:
    image: telegraf:1.8
    restart: unless-stopped
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock
      - ./telegraf.conf:/etc/telegraf/telegraf.conf:ro
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3
      - telegraf-topic

  stream:
    build: streams/
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3
      - telegraf