anchor.diff:  * `uri` or `uris` using the scheme `postgres`
   * `jdbcUrl` field in `credentials` using the scheme `postgres`
   * `postgresUri`, `postgresuri`, `postgresUrl`, or `postgresurl` fields in `credentials`
  +
  +==== RabbitMQ
  +
  +The connector will check for:
  +
  +* `tags` including `rabbitmq`
  +* `label` beginning with the `rabbitmq` tag
  +* `uri` or `uris` using the scheme `amqp` or `amqps`
  +* `amqpUri`, `amqpuri`, `amqpsUri`, `amqpsuri`, `amqpUrl`, `amqpurl`, `amqpsUrl`, or `amqpsurl` fields in `credentials`
   
   ==== Redis
   
  
positive.code: 
  This connector comes with built-in support for a variety of service types and providers. The criteria by which it establishes availability of each service are described below.
  
  ==== RabbitMQ
  
  The connector will check for:
  
  * `tags` including `rabbitmq`
  * `label` beginning with the `rabbitmq` tag
  * `uri` or `uris` using the scheme `amqp` or `amqps`
  * `amqpUri`, `amqpuri`, `amqpsUri`, `amqpsuri`, `amqpUrl`, `amqpurl`, `amqpsUrl`, or `amqpsurl` fields in `credentials`
  
  ==== DB2
  
  
negative.code: * `label` beginning with the `mongodb` tag
  * `uri` or `uris` using the scheme `mongodb`
  * `mongodbUri`, `mongodburi`, `mongodbUrl`, or `mongodburl` fields in `credentials`
  
  ==== MySQL
  
  