docker-compose.yml

version: '3.9'
services:
    redis:
        image: redis:alpine
        restart: always
        expose:
            - '6379'
        ports:
            - '6379:6379'
        networks:
            - proxynet

    zookeeper:
        image: wurstmeister/zookeeper:3.4.6
        ports:
            - "2181:2181"
    kafka:
        image: confluentinc/cp-kafka:5.3.0
        hostname: kafka1
        ports:
            - "9091:9091"
        expose:
            - "9091"
        environment:
            KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka1:9091,OUTSIDE://localhost:9092
            KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
            KAFKA_LISTENERS: INSIDE://0.0.0.0:9091,OUTSIDE://0.0.0.0:9092
            KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
            KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
        volumes:
            - /var/run/docker.sock:/var/run/docker.sock

    notification_service:
        build: .
        ports:
            - "5000:5000"
        volumes:
            - .:/code
        depends_on:
            - redis
            - kafka
        networks:
            - proxynet
networks:
    proxynet:
        name: custom_network