anchor.diff:        interval: 30s
         timeout: 10s
         retries: 5
  +
     es02:
       container_name: es02
  -    image: docker.elastic.co/elasticsearch/elasticsearch-platinum:{version}
  +    image: docker.elastic.co/elasticsearch/elasticsearch:{version}
       environment:
         - node.name=es02
         - discovery.zen.minimum_master_nodes=2
         - ELASTIC_PASSWORD=$ELASTIC_PASSWORD
         - discovery.zen.ping.unicast.hosts=es01
         - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
  +      - xpack.license.self_generated.type=trial
  +      - xpack.security.enabled=true
         - xpack.security.http.ssl.enabled=true
         - xpack.security.transport.ssl.enabled=true
         - xpack.security.transport.ssl.verification_mode=certificate
  
positive.code:       - localhost
      ip:
        - 127.0.0.1
    - name: es02
      dns:
        - es02
  
negative.code: 
  <<docker,Install {es} with Docker>>.
  
  Inside a new, empty directory, create the following four files:
  
  `instances.yml`:
  ["source","yaml"]
  