docker-compose.yml

version: "3.7"
services:
  redis:
    container_name: "key-value-store"
    image: "redis"
    ports:
      - "6379:6379"
    volumes:
      - 'redis:/data'

  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - 22181:2181
  
  kafka:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper
    ports:
      - 29092:29092
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  postgres:
    build:
      context: .
      dockerfile: pg_Dockerfile
    ports:
      - 5432:5432
    environment:
      - POSTGRES_USER=${RDS_USERNAME}
      - POSTGRES_PASSWORD=${RDS_PASSWORD}
      - POSTGRES_DB=${RDS_DB_NAME}
    restart: always
    volumes:
      - relational-db-data:/var/lib/postgresql/data/
volumes:
  relational-db-data:
  redis: