docker-compose-kerberos.yml

version: "3.3"
services:
  # Kafka/Zookeeper container
  docker-kdc:
    image: krisgeus/docker-kdc
    container_name: docker-kdc
    hostname: docker-kdc
    domainname: divolte_divolte.io
    environment:
      REALM: EXAMPLE.COM
      SUPPORTED_ENCRYPTION_TYPES: aes256-cts-hmac-sha1-96:normal
      KADMIN_PRINCIPAL: kadmin/admin
      KADMIN_PASSWORD: MITiys4K5
    volumes:
      # This is needed otherwise there won't be enough entropy to generate a new kerberos realm
      - /dev/urandom:/dev/random
    networks:
      - divolte.io

  divolte-kafka:
    image: krisgeus/docker-kafka
    container_name: divolte-kafka
    hostname: divolte-kafka
    domainname: divolte_divolte.io
    environment:
      ENABLE_KERBEROS: "true"
      REALM: EXAMPLE.COM
      KADMIN_PRINCIPAL: kadmin/admin
      KADMIN_PASSWORD: MITiys4K5
      KDC_HOST: docker-kdc
      ADVERTISED_HOST: divolte-kafka
      LOG_RETENTION_HOURS: 1
      AUTO_CREATE_TOPICS: "false"
      KAFKA_CREATE_TOPICS: divolte:4:1
      ADVERTISED_LISTENERS: SASL_PLAINTEXT://divolte-kafka:9092,INTERNAL://localhost:9093
      LISTENERS: SASL_PLAINTEXT://0.0.0.0:9092,INTERNAL://0.0.0.0:9093
      SECURITY_PROTOCOL_MAP: SASL_PLAINTEXT:SASL_PLAINTEXT,INTERNAL:PLAINTEXT
      INTER_BROKER: INTERNAL
    depends_on:
      - docker-kdc
    networks:
      - divolte.io

  # Divolte container
  docker-divolte:
    build:
      context: .
      args:
        ENABLE_KERBEROS: 'yes'
    container_name: docker-divolte
    hostname: docker-divolte
    domainname: divolte_divolte.io
    environment:
      DIVOLTE_KAFKA_BROKER_LIST: divolte-kafka:9092
      REALM: EXAMPLE.COM
      KDC_HOST: docker-kdc
      KADMIN_PRINCIPAL: kadmin/admin
      KADMIN_PASSWORD: MITiys4K5
      KAFKA_SECURITY_PROTOCOL: SASL_PLAINTEXT
      KAFKA_SASL_JAAS_CONFIG: |-
        com.sun.security.auth.module.Krb5LoginModule required
        useKeyTab=true
        storeKey=true
        keyTab="/divolte.keytab"
        principal="divolte/docker-divolte.divolte_divolte.io";
    ports:
      - 8290:8290
    depends_on:
      - divolte-kafka
      - docker-kdc
    links:
      - divolte-kafka:divolte-kafka
      - docker-kdc:docker-kdc
    networks:
      - divolte.io

networks:
  divolte.io:
    driver: bridge