website: add AWS example
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@ -10,16 +10,103 @@ This provides a template for running a simple two-tier architecture on Amazon
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Web services.
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Web services.
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The basic premise is you have stateless app servers running behind
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The basic premise is you have stateless app servers running behind
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and ELB serving traffic. State for your application is stored in an RDS
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an ELB serving traffic. State for your application is stored in an RDS
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database.
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database.
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This ignores deploying and getting data onto the application
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To simplify the example, this intentionally ignores deploying and
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servers intentionally to simplify. However, you could do so either via
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getting your application onto the servers. However, you could do so either via
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[provisioners](/docs/provisioners/index.html) or by pre-baking configured
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[provisioners](/docs/provisioners/index.html) and a configuration
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AMIs with [Packer](http://www.packer.io).
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management tool, or by pre-baking configured AMIs with
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[Packer](http://www.packer.io).
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After you run `terraform apply` on this configuration, it will
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automatically output the DNS address of the ELB. After your instance
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registers, this should respond with the default nginx web page.
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## Configuration
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## Configuration
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```
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```
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FOOBAR
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# Our default security group to access
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# the instances over SSH and HTTP
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resource "aws_security_group" "default" {
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name = "terraform_example"
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description = "Used in the terraform"
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# SSH access from anywhere
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ingress {
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from_port = 22
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to_port = 22
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protocol = "tcp"
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cidr_blocks = ["0.0.0.0/0"]
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}
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# HTTP access from anywhere
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ingress {
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from_port = 80
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to_port = 80
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protocol = "tcp"
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cidr_blocks = ["0.0.0.0/0"]
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}
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}
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resource "aws_elb" "web" {
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name = "terraform-example-elb"
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# The same availability zone as our instance
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availability_zones = ["${aws_instance.web.availability_zone}"]
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listener {
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instance_port = 80
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instance_protocol = "http"
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lb_port = 80
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lb_protocol = "http"
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}
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# The instance is registered automatically
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instances = ["${aws_instance.web.id}"]
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}
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resource "aws_instance" "web" {
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# The connection block tells our provisioner how to
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# communicate with the resource (instance)
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connection {
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# The default username for our AMI
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user = "ubuntu"
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# The path to your keyfile
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key_file = "/Users/pearkes/Desktop/hashicorp-demo.pem"
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}
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instance_type = "m1.small"
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# ubuntu-precise-12.04-amd64-server
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ami = "ami-4fccb37f"
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# The name of our SSH keypair you've created and downloaded
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# from the AWS console.
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#
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# https://console.aws.amazon.com/ec2/v2/home?region=us-west-2#KeyPairs:
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#
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key_name = "hashicorp-demo"
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# Our Security group to allow HTTP and SSH access
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security_groups = ["${aws_security_group.default.name}"]
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# We run a remote provisioner on the instance after creating it.
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# In this case, we just install nginx and start it. By default,
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# this should be on port 80
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provisioner "remote-exec" {
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inline = [
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"sudo apt-get -y update",
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"sudo apt-get -y install nginx",
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"sudo service nginx start",
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]
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}
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}
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output "address" {
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value = "${aws_elb.web.dns_name}"
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}
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```
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```
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