Python & Kafka through Docker

docker-compose.yml

version: '2'

services:

    ## Apache zookeeper
    zookeeper:
      image: wurstmeister/zookeeper
      ports:
        - "2181:2181"

    ## Apache Kafka for real-time data streams
    kafka:
      image: wurstmeister/kafka:latest
      ports:
        - "9092:9092"          
      environment:
        KAFKA_ADVERTISED_HOST_NAME: "192.168.99.100"
        KAFKA_CREATE_TOPICS: "test:1:1"
        KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      volumes:
        - /var/run/docker.sock:/var/run/docker.sock

    ## This is where our codebase resides, locally mounted and then volume mounted into the flask directive.
    volumes_source:
        image: tianon/true:latest
        volumes:
            - ./app:/app

    ## To reflect the changes you make within /app/main.py ensure that you leave the
    ## command: python /app/main.py directive. In production, we can drop this and supervisord will run
    ## the python app separately.
    flask:
      build: tiangolo/uwsgi-nginx-flask:flask-python3.5
      command: python /app/main.py
      restart: always
      links:
        - kafka
      ports:
        - "80:80"
      volumes_from:
        - volumes_source