docker-compose.yml

version: '3'

# Kafka + zookeeper: https://towardsdatascience.com/kafka-docker-python-408baf0e1088

services:
  zookeeper:
    image: wurstmeister/zookeeper
    ports:
    - "2181:2181"

  kafka:
    image: wurstmeister/kafka
    ports:
      - "9092:9092"
    expose:
     - "9093"
    environment:
      #KAFKA_ADVERTISED_HOST_NAME: kafka
      # KAFKA_CREATE_TOPICS: "Topic1:1:3,Topic2:1:1:compact"
      KAFKA_CREATE_TOPICS: ${KAFKA_TOPIC}:1:1
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      # from here on C&P from https://towardsdatascience.com/kafka-docker-python-408baf0e1088
      KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka:9093,OUTSIDE://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_LISTENERS: INSIDE://0.0.0.0:9093,OUTSIDE://0.0.0.0:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock


# kafdrop: https://medium.com/better-programming/a-simple-apache-kafka-cluster-with-docker-kafdrop-and-python-cf45ab99e2b9
# to get a simple UI whats going on in kafka...
  kafdrop:
    image: obsidiandynamics/kafdrop
    restart: "no"
    ports:
      - "9000:9000"
    environment:
      KAFKA_BROKERCONNECT: "kafka:9093"
    depends_on:
      - kafka

  db:
    image: postgres
    restart: always
    ports:
    # I've locally already a postgres running
      - "${CONSUMER_POSTGRES_PORT}:5432"
    environment:
      POSTGRES_PASSWORD: ${CONSUMER_POSTGRES_PASSWORD}
      POSTGRES_USER: ${CONSUMER_POSTGRES_USER}
      POSTGRES_DB: ${CONSUMER_POSTGRES_DB}

#parse-engine:
#    build: .
#    depends_on:
#    - "kafka"
#    command: python parse-engine.py
#    ports:
#    - "5000:5000"