Create ECS instance, VPC & Security group using Tarraform

#### Please note each section is a breakdown of the codes for simplicity it can be merged together as a single code as well with some minor changes #### The aim is to assist in Create ECS instance, VPC & Security group using Tarraform

provider "aws" {
  access_key = "xxxxx"
  secret_key = "xxxx"
  region     = "us-east-2a"
}

resource "aws_instance" "Jenkins" {
  ami           = "ami-03d62b340566461c7"
  instance_type = "t2.micro"

############## Creating EC2 instance with Security Group ############
provider "aws" {
  region = "us-east-2"
}
resource "aws_instance" "Jenkins" {
  ami             = "ami-03d62b340566461c7"
  instance_type   = "t2.micro"
  key_name        = "DevOps-key"
  security_groups = [ "DevOps-Sec" ]
  tags = {
    Name = "HelloWorld"
  }
}
################### Creating a VPC, subnet and Security Group #############
provider "aws" {
  region = "us-east-2"
}
resource "aws_vpc" "lloyd-env" {
  cidr_block = "10.0.0.0/16"
  enable_dns_hostnames = true
  enable_dns_support = true

  tags= {
    Name = "lloyd-env"
  }
}
resource "aws_subnet" "subnet-uno" {
  cidr_block = "10.0.1.0/24"
  vpc_id = "${aws_vpc.lloyd-env.id}"
  availability_zone = "us-east-2a"
  tags = {
    Name = "subnet-uno"

  }
}
resource "aws_security_group" "lloydtest1" {
  name           = "lloydtest1"
  description    = "allow-all-sg"
  vpc_id         = "${aws_vpc.lloyd-env.id}"

ingress {
  cidr_blocks = ["0.0.0.0/24"]
  from_port = 22
  to_port   = 22
  protocol = "tcp"
  }

  egress {
   from_port = 0
   to_port   = 0
   protocol  = "-1"
   cidr_blocks = ["0.0.0.0/0"]
  }
}