services:
  postgres:
    image: postgres:14  
    container_name: cucumber_database
    environment:
      POSTGRES_USER: postgres 
      POSTGRES_PASSWORD: 12345  
      POSTGRES_DB: main_database  
    ports:
      - "5438:5432"  
    volumes:
      - postgres_data:/var/lib/postgresql/data  

  redis:
    image: redis:7  
    container_name: my_redis
    ports:
      - "6379:6379"  
    volumes:
      - redis_data:/data  
volumes:
  postgres_data: 
  redis_data:  

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

  kafka:
    image: confluentinc/cp-kafka:7.4.0
    ports:
    - 9092:9092
    expose:
    - 29092:29092
    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_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_LOG_FLUSH_INTERVAL_MESSAGES: 10000
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
    depends_on:
    - zookeeper
        
  init-kafka:
    image: confluentinc/cp-kafka:7.4.0
    depends_on:
    - kafka
    entrypoint: [ '/bin/sh', '-c' ]
    command: |
      "
      # blocks until kafka is reachable
      kafka-topics --bootstrap-server kafka:29092 --list

      echo -e 'Creating kafka topics'
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic commands --replication-factor 1 --partitions 1
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic data --replication-factor 1 --partitions 1
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic response --replication-factor 1 --partitions 1

      echo -e 'Successfully created the following topics:'
      kafka-topics --bootstrap-server kafka:29092 --list
      "