This Neptune Terraform is a bare bones setup. Your Neptune instance will be internet facing, and anybody will be able to access it. For more detailed instructions on how to set up iam authentication please visit: AWS iam-auth.

1. Install the AWS CLI in order for you to log into AWS through the terminal:

$ pip3 install awscli --upgrade --user

2. Log into AWS using the AWS CLI

1. Install Terraform using following instructions

2. vars.tf contains variables that are needed for your Neptune instance. Fill in these variables with the values associated with your AWS account.

3. Run $ terraform plan, to make sure all resources are created correctly

4. Run $ terraform apply

1. Go to the AWS console -> EC2 -> Running instances.

2. Select your instance

3. Add a PEM file to your ~/.aws directory that matches you key pair name on your EC2 instance.
   Ex. your_instance_key_pair_name.pem
   PEM file example content:

-----BEGIN RSA PRIVATE KEY-----
123456qwert23456rtyu234567891234
1234asd123456asd12i4fgh4567hj567
-----END RSA PRIVATE KEY-----

4. Click on the connect button above the instance console, and follow the commands given to ssh into the instance.

5. Once SSH'd into your EC2 instance go through the following AWS instructions to finalize the Gremlin installation.

AWS provides instructions to connect to your Neptune DB instance in different ways found here