Single node kafka, zookeeper, and schema-registry with docker compose 3

docker-compose.yml

---
version: '3.9'
services:
  zoo1:
    image: confluentinc/cp-zookeeper:7.2.0
    container_name: zoo1
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka1:
    image: confluentinc/cp-kafka:7.2.0
    container_name: kafka1
    ports:
    # To learn about configuring Kafka for access across networks see
    # https://www.confluent.io/blog/kafka-client-cannot-connect-to-broker-on-aws-on-docker-etc/
      - "9092:9092"
    depends_on:
      - zoo1
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zoo1:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092,PLAINTEXT_INTERNAL://kafka1:29092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1

  kafka-schema-registry:
    image: confluentinc/cp-schema-registry:7.2.0
    hostname: kafka-schema-registry
    container_name: kafka-schema-registry
    depends_on:
      - zoo1
      - kafka1
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: kafka-schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'PLAINTEXT://kafka1:29092'
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081