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README.md

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-# AWS S3 Static Website
+# AWS S3 Static Website Terraform Module
 
-Terraform Module for an Amazon S3 Static Website.
+Terraform Module for an Amazon S3 Static Website, fronted by a CloundFront Distribution.
 
 ## Features
 
-TK
+This module allows for [Hosting a Static Website on Amazon S3](https://docs.aws.amazon.com/AmazonS3/latest/dev/WebsiteHosting.html), provisioning the following:
+
+- S3 Bucket for static public files
+- CloudFront Distribution fronting the S3 Bucket
+- Route 53 Record Set aliased to the CloudFront Distribution
+
+It requires (for now?) that the following have been setup outside this module:
+
+- SSL Certificate
+- Route 53 Hosted Zone
 
 ## Usage
 
@@ -26,10 +35,23 @@ module "static_website" {
 
 ## Inputs
 
-TK
+| Name | Description | Type | Default | Required |
+|------|-------------|:----:|:-------:|:--------:|
+| cert_arn | The ARN of the SSL Certificate to use for this domain | string | - | yes |
+| domain_name | Domain name for the S3 Static Website | string | - | yes |
+| redirects | Optional list of domains that should redirect to `domain_name` (i.e. for redirecting naked domain to www-version) | list | `<list>` | no |
+| secret | Random alphanumeric string for allowing CloudFront Distribution's traffic to S3 | string | - | yes |
+| tags | A mapping of tags to assign to each resource (S3 and CloudFront) | map | `<map>` | no |
+| zone_id | The Route 53 Zone ID in which to create the record set | string | - | yes |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| cdn_domain_name | Domain name of the Cloudfront Distribution |
 
 ## TODO
 
 - [ ] Expose more configuration of resources, esp. Cloudfront dist.
 - [ ] Better way to pass in SSL cert, Hosted Zone ID, etc.
-- [ ] Better way to implement Cloudfront-to-S3 access than secret?
+- [ ] Add more outputs.