multiple aws accounts terraform

C++
####Use Multiple Accounts Launch for resource

provider "aws" {
  region     = "us-west-1"
  access_key = "PUT-ACCESS-KEY"
  secret_key = "PUT-SECRET-KEY"
}


provider "aws" {
  alias = "mumbai"
  region     = "ap-south-1"
  profile = "ACCOUNT-NAME"
}

resource "aws_eip" "eip1" {
  vpc = "true"
}

resource "aws_eip" "eip2" {
  vpc = "true"
  provider = aws.mumbai

}
Source

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