anchor.diff:  See also https://www.openssl.org/docs/manmaster/man7/openssl-env.html#SSL_CERT_DIR-SSL_CERT_FILE[OpenSSL docs].
   
   Please note that these variables may apply to other SSL/TLS communication in your service,
  -not just related to the APM agent. 
  +not just related to the APM agent.
   
   NOTE: These environment variables only take effect if <<config-use-certifi,`use_certifi`>> is set to `False`.
   
  
positive.code: |============
  
  The name of the given service node. This is optional and if omitted, the APM
  Server will fall back on `system.container.id` if available, and 
  `host.name` if necessary.
  
  This option allows you to set the node name manually to ensure it is unique and meaningful.
  
negative.code: | `ELASTIC_APM_LOG_ECS_FORMATTING` | `LOG_ECS_FORMATTING` | `"off"`
  |============
  
  experimental::[]
  
  Valid options:
  
  * `"off"`
  