### Consul Configuration Store

The Consul Configuration Store extends the Vert.x Configuration Retriever and provides the way to retrieve configuration from a Consul.

#### Using the Consul Configuration Store

To use the Consul Configuration Store, add the following dependency to the dependencies section of your build descriptor:

- Maven (in your `pom.xml`):

    <dependency>
      <groupId>io.vertx</groupId>
      <artifactId>vertx-config-consul</artifactId>
      <version>3.5.3.CR1</version>
    </dependency>
    <dependency>
      <groupId>io.vertx</groupId>
      <artifactId>vertx-config</artifactId>
      <version>3.5.3.CR1</version>
    </dependency>

- Gradle (in your `build.gradle` file):

    compile 'io.vertx:vertx-config:3.5.3.CR1'
    compile 'io.vertx:vertx-config-consul:3.5.3.CR1'

#### Configuring the store

Once added to your classpath or dependencies, you need to configure the `ConfigRetriever` to use this store:

    var ConfigRetriever = require("vertx-config-js/config_retriever");
    var store = {
      "type" : "consul",
      "config" : {
        "host" : "localhost",
        "port" : 8500,
        "prefix" : "foo"
      }
    };

    var retriever = ConfigRetriever.create(vertx, {
      "stores" : [
        store
      ]
    });

The store configuration is used to create an instance of `ConsulClient`. Check the documentation of the Vert.x Consul Client for further details. And this is the parameters specific to the Consul Configuration Store:

`prefix`

  A prefix that will not be taken into account when building the configuration tree. Defaults to empty.

`delimiter`

  Symbol that used to split keys in the Consul storage to obtain levels in the configuration tree. Defaults to "/".