BIG-216: beefing up the readme

README.md

@@ -2,9 +2,30 @@
 
 This is an open-source tagging solution for AWS.  Deploy autotag to lambda and set up CloudTrail and have each of your resources tagged with the resource who created it.  It was written by GorillaStack.
 
+## Setup
 
+### 1. Turn on CloudTrail for your region
 
-## Setup
+1. Turn on CloudTrail.
+2. Create a new Amazon S3 bucket for storing your log files, or specify an existing bucket where you want the log files delivered.
+3. (Optional and NOT REQUIRED for Autotag) Create a new Amazon SNS topic in order to receive notifications when new log files are delivered.
+
+More [documentation on creating a Trail](https://docs.aws.amazon.com/awscloudtrail/latest/userguide/cloudtrail-create-and-update-a-trail.html)
+
+### 2. Create a lambda function
+
+1. Within lambda, press the 'Create a Lambda Function' button
+2. Press the 'Skip' button to bypass the suggested blueprints
+3. Enter the lambda function name (e.g. 'autotag')
+4. Select 'Node.js' as the Runtime
+5. Upload the latest release's zip file
+6. Under 'Handler' add 'autotag.handler'
+
+More [documentation on Lambda](https://docs.aws.amazon.com/lambda/latest/dg/getting-started.html)
+
+### 3. Configure the access policy for your lambda role
+
+For the complete role's policy, scroll down for the master policy.  Read on for finer details on the access permissions required below.
 
 #### Baseline policies for your lambda IAM role
 
@@ -127,3 +148,9 @@ To assist you in packaging and deploying your code to your lambda function, I ha
 ```bash
 $ bash deploy_lambda_code.sh
 ```
+
+To assist with running during development without having to deploy to lambda, use the `main.js` and `sample_data.js` files we have provided.
+
+```bash
+$ bash sample_data.sh
+```