How to assign floating ip address using terraform?

I’m unable to join floating ip and droplet creation.

# I create a resource:
resource "digitalocean_droplet" "mail" {
  image = "centos-7-x64"
  name = "mail"
  region = "${var.region}"
  size = "2gb"
  private_networking = true
#I create a floating ip:
resource "digitalocean_floating_ip" "mail" {
  droplet_id = "${}"
  region = "${var.region}"

The IDs are the same, but the IP’s are not.

$ doctl compute droplet list
ID		Name	Public IPv4	Public IPv6	Memory	VCPUs	Disk	Region	Image			Status	Tags
38296000	mail			2048	2	40	lon1	CentOS 7.3.1611 x64	active	
$ doctl compute fip list
IP		Region	Droplet ID	Droplet Name	lon1	38296000	mail

How do I get the droplet to take the floating IP address?



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When you assign a floating IP address to a droplet you’re actually just adding an additional IPv4 interface. Meaning that your droplet is now accessible by two public IP addresses, the IP address assigned to the droplet originally and the new floating IP.

So in your case, you were actually successful in assigning the floating IP. Your droplet (ID# 38296000) is reachable at both, the IP assigned to the droplet when it was created, and, the floating IP.

These two tutorials provide helpful information regarding setting up and implementing floating IPs:

Hope this helps. Good Luck!