| update-service - Cloud Foundry CLI Reference Guide | 
   cf update-service SERVICE_INSTANCE [-p NEW_PLAN] [-c PARAMETERS_AS_JSON] [-t TAGS] [--upgrade]
   Optionally provide service-specific configuration parameters in a valid JSON object in-line:
   cf update-service SERVICE_INSTANCE -c '{"name":"value","name":"value"}'
   Optionally provide a file containing service-specific configuration parameters in a valid JSON object. 
   The path to the parameters file can be an absolute or relative path to a file:
   cf update-service SERVICE_INSTANCE -c PATH_TO_FILE
   Example of valid JSON object:
   {
      "cluster_nodes": {
         "count": 5,
         "memory_mb": 1024
      }
   }
   Optionally provide a list of comma-delimited tags that will be written to the VCAP_SERVICES environment variable for any bound applications.
   cf update-service mydb -p gold
   cf update-service mydb -c '{"ram_gb":4}'
   cf update-service mydb -c ~/workspace/tmp/instance_config.json
   cf update-service mydb -t "list, of, tags"
   cf update-service mydb --upgrade
   cf update-service mydb --upgrade --force
Valid JSON object containing service-specific configuration parameters, provided either in-line or in a file. For a list of supported configuration parameters, see documentation for the particular service offering.
Change service plan for a service instance
User provided tags
Upgrade the service instance to the latest version of the service plan available. It cannot be combined with flags: -c, -p, -t.
Force the upgrade to the latest available version of the service plan. It can only be used with: -u, --upgrade.