Improve description on how to use aws-ec2 deploy

Author: Denis Brækhus

deployment/terraform/README.md

@@ -19,17 +19,17 @@ Copy the ``terraform-inventory`` binary that works for your platform to the ``bi
 
 ### Quickstart EC2
 
-1. Edit the terraform.tfvars file and insert AWS credentials and sshkey
-2. Run ``./deploy aws-ec2`` to run start instances, provision and run tests
-3. Run ``terraform destroy aws-ec2`` to remove all AWS resources created by ``deploy``
+1. Edit the terraform.tfvars file and insert AWS credentials and sshkey, or add them to a separate terraform.tfvars.mine file.
+2. Run ``./deploy aws-ec2 [terraform.tfvars.mine]`` to run start instances, provision and run tests
+3. Run ``./destroy aws-ec2 [terraform.tfvars.mine]`` to remove all AWS resources created by ``deploy``
 
 ### Manual EC2 run
 
 1. Edit the terraform.tfvars file and insert AWS credentials and sshkey
-2. Run ``terraform plan aws-ec2`` to verify the plan
-3. Run ``terraform apply aws-ec2`` to spin up instances
+2. Run ``terraform plan aws-ec2 [-var-file=terraform.tfvars.mine]`` to verify the plan
+3. Run ``terraform apply aws-ec2 [-var-file=terraform.tfvars.mine]`` to spin up instances
 4. Run ``ansible-playbook --inventory-file=bin/terraform-inventory playbook.yml``
-5. Run ``terraform destroy aws-ec2`` to remove all resources
+5. Run ``terraform destroy aws-ec2 [-var-file=terraform.tfvars.mine]`` to remove all resources
 
 ### Nodes
 
@@ -41,12 +41,12 @@ The setup consists of three nodes:
 
 ### Custom setups
 
-The ec2 regiom, instance types and ami to use is configured in ``aws-ec2/vars.tf``, default is **m3.medium** and the official Centos7 AMI.
+The ec2 regiom, instance types and ami to use is configured with variables, default is **m3.medium** and the official Centos7 AMI.
 
 ::
 
     aws_ec2_region = "us-east-1"
-    aws_ec2_ami = "ami-61bbf104" (Centos7 64bit)
+    aws_ec2_ami = "ami-6d1c2007" (Centos7 64bit)
     instance_types = "m3.medium" (Can be configured per node)
 
 ## DigitalOcean