docker-compose.yml

version: 'v1'
services:
  flask:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - 5000:5000
    depends_on:
      - db
      - kafka
    environment:
      FLASK_APP: 'main.py'
      FLASK_ENV: development
      POSTGRES_HOST: db
      KAFKA_HOST: kafka
      KAFKA_PORT: 9092

  db:
    image: postgres
    ports:
      - 5432:5432
    environment:
      POSTGRES_USER: pritishsamal
      POSTGRES_PASSWORD: Cymatics@7
      POSTGRES_DB: orders

  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:7.4.0
    hostname: kafka
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - "29092:29092"
      - "9092:9092"
      - "9101:9101"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: true
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_JMX_PORT: 9101
      KAFKA_JMX_HOSTNAME: localhost