Add support for SSH

Author: brikis98

terraform-example/main.tf

@@ -7,6 +7,7 @@ resource "aws_instance" "example_rails_app" {
   instance_type = "t2.micro"
   security_groups = ["${aws_security_group.example_rails_app.name}"]
   user_data = "${template_file.user_data.rendered}"
+  key_name = "${var.key_pair_name}"
 
   tags {
     Name = "Example Rails App"
@@ -33,6 +34,14 @@ resource "aws_security_group" "example_rails_app" {
     cidr_blocks = ["0.0.0.0/0"]
   }
 
+  # Inbound SSH from anywhere
+  ingress {
+    from_port = 22
+    to_port = 22
+    protocol = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
   # Outbound everything
   egress {
     from_port = 0

terraform-example/terraform.tfvars.sample

@@ -7,4 +7,7 @@
 #
 
 # The ID of the AMI created by the packer-example
-ami = ""
+ami = ""
+
+# The name of a Key Pair that you've created in AWS and have saved on your computer. You will be able to use this Key Pair to SSH to the EC2 instance.
+key_pair_name = ""

terraform-example/vars.tf

@@ -2,6 +2,10 @@ variable "ami" {
   description = "The ID of the AMI that has Ruby on Rails installed and contains the code from the example-rails-app"
 }
 
+variable "key_pair_name" {
+  description = "The name of a Key Pair that you've created in AWS and have saved on your computer. You will be able to use this Key Pair to SSH to the EC2 instance."
+}
+
 variable "port" {
   description = "The port the Ruby on Rails app should listen on for HTTP requests"
   default = 8080