update readme

Author: smithclay

README.md

@@ -3,17 +3,19 @@
 
 **Lambdium allows you to run a Selenium Webdriver script written in Javascript inside of an AWS Lambda function bundled with [Headless Chromium](https://developers.google.com/web/updates/2017/04/headless-chrome).**
 
-*This project is now published on the [AWS Serverless Application Repository](https://serverlessrepo.aws.amazon.com), allowing you to install it in your AWS account with one click. Install in your AWS account [here](https://serverlessrepo.aws.amazon.com/#/applications/arn:aws:serverlessrepo:us-east-1:156280089524:applications~lambdium).* Quickstart instructions are in the [`README-SAR.md` file](https://github.com/smithclay/lambdium/blob/master/README-SAR.md).
+*This project is on the [AWS Serverless Application Repository](https://serverlessrepo.aws.amazon.com), allowing you to install it in your AWS account with one click. Install in your AWS account [here](https://serverlessrepo.aws.amazon.com/#/applications/arn:aws:serverlessrepo:us-east-1:156280089524:applications~lambdium).* Quickstart instructions are in the [`README-SAR.md` file](https://github.com/smithclay/lambdium/blob/master/README-SAR.md).
 
-This uses the binaries from the [serverless-chrome](https://github.com/adieuadieu/serverless-chrome) project to prototype running headless chromium with `selenium-webdriver` in AWS Lambda. I've also bundled the chromedriver binary so the browser can be interacted with using the [Webdriver Protocol](https://www.w3.org/TR/webdriver/).
+lambdium lets you run Selenium Webdriver scripts _written in JavaScript_ using a full version of Google Chrome on AWS Lambda. You can use this AWS Lambda function to:
 
-#### Background
+* Run many concurrent selenium scripts at the same time without worrying about the infrastructure
+* Configure Cloudwatch Events to run script(s) on a schedule
+* Integrate tests into any event-driven workflows (like CodeDeploy checks, webhooks, or uploads to an S3 bucket)
 
-The function interacts with [headless Chromium](https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md) process using [chromedriver](https://sites.google.com/a/chromium.org/chromedriver/) and a popular webdriver node.js client library. 
+Since this Lambda function is written using node.js, you can run almost any script written for [selenium-webdriver](https://www.npmjs.com/package/selenium-webdriver). Example scripts can be found in the `examples` directory.
 
-*This is highly experimental and not all chromedriver functions will work. Check [issues](https://github.com/smithclay/lambdium/issues) for known issues.*
+This uses a special version of Chrome (headless chromium) from the [serverless-chrome](https://github.com/adieuadieu/serverless-chrome) project.
 
-Since this Lambda function is written using node.js, you can run almost any script written for [selenium-webdriver](https://www.npmjs.com/package/selenium-webdriver). Example scripts can be found in the `examples` directory.
+*This is highly experimental and not all chromedriver functions will work. Check [issues](https://github.com/smithclay/lambdium/issues) for known issues.*
 
 #### Requirements and Setup
 

template.yaml

@@ -1,6 +1,6 @@
 AWSTemplateFormatVersion : '2010-09-09'
 Transform: AWS::Serverless-2016-10-31
-Description: headless chromium running selenium
+Description: selenium with headless chromium
 Resources:
   Lambdium:
     Type: AWS::Serverless::Function
@@ -9,6 +9,7 @@ Resources:
       Runtime: nodejs6.10
       FunctionName: lambdium
       Description: headless chromium running selenium
+      # This needs to be fairly large: chromium needs a lot of memory
       MemorySize: 1156
       Timeout: 20
       Environment: