--- layout: "consul" page_title: "Provider: Consul" sidebar_current: "docs-consul-index" description: |- Consul is a tool for service discovery, configuration and orchestration. The Consul provider exposes resources used to interact with a Consul cluster. Configuration of the provider is optional, as it provides defaults for all arguments. --- # Consul Provider [Consul](http://www.consul.io) is a tool for service discovery, configuration and orchestration. The Consul provider exposes resources used to interact with a Consul cluster. Configuration of the provider is optional, as it provides defaults for all arguments. Use the navigation to the left to read about the available resources. ## Example Usage ``` # Configure the Consul provider provider "consul" { address = "demo.consul.io:80" datacenter = "nyc1" } # Access a key in Consul resource "consul_keys" "app" { key { name = "ami" path = "service/app/launch_ami" default = "ami-1234" } } # Use our variable from Consul resource "aws_instance" "app" { ami = "${consul_keys.app.var.ami}" } ``` ## Argument Reference The following arguments are supported: * `address` - (Optional) The HTTP API address of the agent to use. Defaults to "127.0.0.1:8500". * `datacenter` - (Optional) The datacenter to use. Defaults to that of the agent.