README enhancement

examples/aws-count/README.md

@@ -6,5 +6,23 @@ and let you scale resources by simply incrementing a number.
 Additionally, variables can be used to expand a list of resources
 for use elsewhere.
 
-As with all examples, just copy and paste the example and run
+To run, set the environment variables as below with correct values
-`terraform apply` to see it work.
+
+export AWS_ACCESS_KEY_ID="..."
+export AWS_SECRET_ACCESS_KEY="..."
+export AWS_DEFAULT_REGION="..."
+
+Alternatively, you can configure the provider configuration where you invoke the module.
+
+For example, you can use section similar to below.
+
+# Specify the provider and access details
+provider "aws" {
+    region = "${var.aws_region}"
+    access_key = "${var.access_key}"
+    secret_key = "${var.secret_key}" 
+}
+
+Running the example
+
+run `terraform apply` to see it work.

examples/aws-two-tier/README.md

@@ -14,5 +14,27 @@ After you run `terraform apply` on this configuration, it will
 automatically output the DNS address of the ELB. After your instance
 registers, this should respond with the default nginx web page.
 
-As with all examples, just copy and paste the example and run
+To run, set the environment variables as below with correct values
-`terraform apply` to see it work.
+
+export AWS_ACCESS_KEY_ID="..."
+export AWS_SECRET_ACCESS_KEY="..."
+export AWS_DEFAULT_REGION="..."
+
+Alternatively, you can configure the provider configuration where you invoke the module.
+
+For example, you can use section similar to below.
+
+# Specify the provider and access details
+provider "aws" {
+    region = "${var.aws_region}"
+    access_key = "${var.access_key}"
+    secret_key = "${var.secret_key}" 
+}
+
+Running the example
+
+run `terraform apply -var 'key_name={your_aws_Key_name}' -var 'key_path={location_of_your_key_in_your_local_machine}'` 
+
+example
+
+terraform apply -var 'key_name=terraform' -var 'key_path=/Users/jsmith/.ssh/terraform.pem