docker-compose.yml

---
services:

  postgres:
    image: postgres:15.1-alpine
    hostname: postgres
    ports:
      - 5432
    restart: always
    environment:
      POSTGRES_USER: test
      POSTGRES_PASSWORD: test
      POSTGRES_DB: alerts

  zookeeper:
    image: confluentinc/cp-zookeeper:7.3.1
    hostname: zookeeper
    ports:
      - 2181
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-kafka:7.3.1
    hostname: broker
    ports:
      - 9092
      - 9093
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      KAFKA_LISTENERS: 'PLAINTEXT://0.0.0.0:9092,BROKER://0.0.0.0:9093'
      KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://localhost:9092,BROKER://broker:9093'
      KAFKA_INTER_BROKER_LISTENER_NAME: BROKER
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1

  schema-registry:
    image: confluentinc/cp-schema-registry:7.3.1
    hostname: schema-registry
    ports:
      - 8081
    depends_on:
      - broker
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'broker:9093'
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081