Update README (aws#433)

README updates prior to public developer preview launch: * Add introductory paragraph about CDK components and usage. * Move manual installation instructions to separate file; this is no longer on the typical user experience path. * Remove mention of y-npm from init template
pratyush05 · Jul 31, 2018 · cdf92d1 · cdf92d1
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diff --git a/MANUAL_INSTALLATION.md b/MANUAL_INSTALLATION.md
@@ -0,0 +1,105 @@
+# CDK Manual Installation Instructions
+
+The CDK is also distributed as a single zip file which contains:
+
+1. The CDK command-line toolkit
+2. Documentation HTML
+2. JavaScript/TypeScript Framework and AWS Constructs
+3. Java Framework and AWS Constructs
+
+You can download the zip file from the
+[Releases](http://github.com/awslabs/aws-cdk/releases) page on GitHub.
+
+The zip file comes with a signature so the integrity of the download
+can be verified (see below).
+
+## Installation overview
+
+We recommend you extract the package to `~/.cdk`, and use the binaries from `~/.cdk/bin`.
+
+When using the manual installation method, use the command `y-npm` (provided
+with the distribution) wherever you would normally use `npm`.
+
+## Step by step instructions
+
+### Extract the installation archive to ~/.cdk
+
+Once you've downloaded the bits, install them into `~/.cdk` and add to your `PATH`:
+
+#### Linux/MacOS (bash/zsh)
+
+```shell
+# Unpack to ~/.cdk
+rm -fr ~/.cdk
+mkdir ~/.cdk
+unzip <path-to-zip-file> -d ~/.cdk
+
+# Add to PATH and reload profile
+echo 'PATH=$PATH:$HOME/.cdk/bin' >> ~/.bashrc && source ~/.bashrc  # for bash
+echo 'PATH=$PATH:$HOME/.cdk/bin' >> ~/.zshrc && source ~/.zshrc    # for zsh
+```
+
+#### Windows (PowerShell)
+
+Open an elevated PowerShell terminal ("Run as Administrator"):
+
+```powershell
+# Unpack to ~/.cdk
+Remove-Item -Force -Recurse ~/.cdk
+New-Item -Type Directory ~/.cdk
+Expand-Archive -Path <path-to-zip-file> -DestinationPath ~/.cdk
+
+# Add to PATH and reload profile
+New-Item -Force -ItemType Directory -Path (Split-Path $PROFILE)
+Add-Content -Path $PROFILE -Value '$env:Path = "$env:Path;$env:UserProfile\.cdk\node_modules\.bin"'
+Set-ExecutionPolicy Unrestricted
+& $PROFILE
+```
+
+#### Install the command-line toolkit
+
+Install (or update) `aws-cdk` globally
+
+```shell
+y-npm install --global aws-cdk # sudo might be needed
+```
+
+> `y-npm` is an npm wrapper which allows installing npm modules from a local repository located at `~/.cdk/y/npm`. `y-npm` will fall back to the public npm repository if a module cannot be found locally.
+
+To check which CDK version you have installed:
+
+```shell
+cdk --version
+```
+
+## Verifying the integrity of your download
+
+You can verify that your download is complete and correct by validating
+its signature against our public signing key. To do so, you need
+the following things:
+
+* [GNU Privacy Guard](https://gnupg.org/) needs to be installed.
+* Download our public key: https://s3.amazonaws.com/aws-cdk-beta/cdk-team.asc
+* Make sure you have downloaded both `aws-cdk-x.y.z.zip`
+  and `aws-cdk-x.y.z.zip.sig`.
+
+Then run the following commands:
+
+```shell
+gpg --import cdk-team.asc
+gpg --verify aws-cdk-x.y.z.zip.sig aws-cdk-x.y.z.zip
+```
+
+If everything is correct, the output will contain the line:
+
+```
+gpg: Good signature from "AWS CDK Team <aws-cdk@amazon.com>"
+```
+
+If you obtained via the above URL, you can ignore the following message:
+
+```
+gpg: WARNING: This key is not certified with a trusted signature!
+gpg:          There is no indication that the signature belongs to the owner.
+```
+
diff --git a/README.md b/README.md
@@ -4,85 +4,56 @@
 
 The **AWS Cloud Development Kit (AWS CDK)** is an infrastructure modeling framework that allows you to define your cloud resources using an imperative programming interface. The CDK is currently in developer preview. We look forward to community feedback and collaboration.
 
-## Getting Started
+Developers can use one of the supported programming languages to define
+reusable cloud components called **constructs**, which are composed
+together to form **Apps**. Apps are synthesized to AWS
+CloudFormation Templates and deployed to the AWS Cloud using the **CDK
+Command Line Toolkit**.
 
-### Prerequisites
-
-Make sure you have the following prerequisites installed:
-
-* [Node.js LTS (8.11.x)](https://nodejs.org/en/download) - required for the command-line toolkit and language bindings
-* [AWS CLI](https://aws.amazon.com/cli/) - recommended in general, but only needed if you intend to download the release from S3
-* The development toolchain of the language you intend to use (TypeScript,
-  Python, Java, .NET, Ruby...)
-
-### Downloading the bits
+The CDK is shipped with a rich library of constructs called the **AWS
+Construct Library**, which includes constructs for all AWS services.
 
-The CDK is distributed as a single zip file which contains:
+You will end up writing code that looks like this:
 
-1. The CDK command-line toolkit
-2. Documentation HTML
-2. JavaScript/TypeScript Framework and AWS Constructs
-3. Java Framework and AWS Constructs
+```ts
+const queue = new sqs.Queue(this, 'MyQueue', {
+    visibilityTimeoutSec: 300
+});
 
-You can either download the zip file from the
-[Releases](http://github.com/awslabs/aws-cdk/releases) page on GitHub or if you
-prefer, download them bits from S3 using the URL provided by our team.
+const topic = new sns.Topic(this, 'MyTopic');
 
-To download from S3:
-
-```shell
-aws s3 cp <s3-url> ~/aws-cdk.zip
+topic.subscribeQueue(queue);
 ```
 
-### Extract the installation archive to ~/.cdk
-
-Once you've downloaded the bits, install them into `~/.cdk` and add to your `PATH`:
-
-#### Linux/MacOS (bash/zsh)
+The following screencast shows the experience of installing and working with the CDK:
 
-```shell
-# Unpack to ~/.cdk
-rm -fr ~/.cdk
-mkdir ~/.cdk
-unzip <path-to-zip-file> -d ~/.cdk
-
-# Add to PATH and reload profile
-echo 'PATH=$PATH:$HOME/.cdk/bin' >> ~/.bashrc && source ~/.bashrc  # for bash
-echo 'PATH=$PATH:$HOME/.cdk/bin' >> ~/.zshrc && source ~/.zshrc    # for zsh
-```
+![Example usage of CDK](screencast.gif)
 
-#### Windows (PowerShell)
+## Installation
 
-Open an elevated PowerShell terminal ("Run as Administrator"):
-
-```powershell
-# Unpack to ~/.cdk
-Remove-Item -Force -Recurse ~/.cdk
-New-Item -Type Directory ~/.cdk
-Expand-Archive -Path <path-to-zip-file> -DestinationPath ~/.cdk
+### Prerequisites
 
-# Add to PATH and reload profile
-New-Item -Force -ItemType Directory -Path (Split-Path $PROFILE)
-Add-Content -Path $PROFILE -Value '$env:Path = "$env:Path;$env:UserProfile\.cdk\node_modules\.bin"'
-Set-ExecutionPolicy Unrestricted
-& $PROFILE
-```
+Make sure you have [Node.js LTS (8.11.x)](https://nodejs.org/en/download) installed.
 
-### Install the command-line toolkit and docs
+### Getting Started
 
-Install (or update) `aws-cdk` globally
+Install the toolkit, create a demo project in the current directory, and deploy
+it:
 
 ```shell
-y-npm install --global aws-cdk # sudo might be needed
+npm install -g aws-cdk
+cdk init app --language=typescript   # or java
+npm run build
+cdk deploy
 ```
 
-> `y-npm` is an npm wrapper which allows installing npm modules from a local repository located at `~/.cdk/y/npm`. `y-npm` will fall back to the public npm repository if a module cannot be found locally.
+### Manual Installation
 
-To check which CDK version you have installed:
+If you prefer to have full control over the installation and version
+of the CDK, the complete distribution is also available as a single signed
+zip file.
 
-```shell
-cdk --version
-```
+[See `MANUAL_INSTALLATION.md` for more information](MANUAL_INSTALLATION.md)
 
 ### Viewing Documentation
 
@@ -92,41 +63,7 @@ To view CDK documentation bundled with the release, run:
 cdk docs
 ```
 
-### Next steps?
-
-Follow the "Getting Started" guide in CDK docs to initialize your first CDK
-project and deploy it to an AWS account.
-
-### Verifying the integrity of your download
-
-You can verify that your download is complete and correct by validating
-its signature against our public signing key. To do so, you need
-the following things:
-
-* [GNU Privacy Guard](https://gnupg.org/) needs to be installed.
-* Download our public key: https://s3.amazonaws.com/aws-cdk-beta/cdk-team.asc
-* Make sure you have downloaded both `aws-cdk-x.y.z.zip`
-  and `aws-cdk-x.y.z.zip.sig`.
-
-Then run the following commands:
-
-```shell
-gpg --import cdk-team.asc
-gpg --verify aws-cdk-x.y.z.zip.sig aws-cdk-x.y.z.zip
-```
-
-If everything is correct, the output will contain the line:
-
-```
-gpg: Good signature from "AWS CDK Team <aws-cdk@amazon.com>"
-```
-
-If you obtained via the above URL, you can ignore the following message:
-
-```
-gpg: WARNING: This key is not certified with a trusted signature!
-gpg:          There is no indication that the signature belongs to the owner.
-```
+Or view the [online documentation](http://awslabs.github.io/aws-cdk).
 
 ## Development
 

diff --git a/packages/aws-cdk-dotnet/package.json b/packages/aws-cdk-dotnet/package.json
@@ -1,32 +1,31 @@
 {
-    "name": "aws-cdk-dotnet",
-    "version": "0.7.4-beta",
-    "description": "The AWS CDK for .NET",
-    "private": true,
-    "main": "index.js",
-    "repository": {
-      "type": "git",
-      "url": "git://github.com/awslabs/aws-cdk"
-    },
-    "pkglint": {
-      "ignore": true
-    },
-    "scripts": {
-      "build": "echo ok",
-      "test": "echo ok"
-    },
-    "author": {
-      "name": "Amazon Web Services",
-      "url": "https://aws.amazon.com"
-    },
-    "license": "Apache-2.0",
-    "devDependencies": {
-      "aws-cdk-all": "^0.7.4-beta",
-      "pkgtools": "^0.7.4-beta"
-    },
-    "keywords": [
-      "aws",
-      "cdk"
-    ]
-  }
-
+  "name": "aws-cdk-dotnet",
+  "version": "0.7.4-beta",
+  "description": "The AWS CDK for .NET",
+  "private": true,
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/awslabs/aws-cdk"
+  },
+  "pkglint": {
+    "ignore": true
+  },
+  "scripts": {
+    "build": "echo ok",
+    "test": "echo ok"
+  },
+  "author": {
+    "name": "Amazon Web Services",
+    "url": "https://aws.amazon.com"
+  },
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "aws-cdk-all": "^0.7.4-beta",
+    "pkgtools": "^0.7.4-beta"
+  },
+  "keywords": [
+    "aws",
+    "cdk"
+  ]
+}
diff --git a/packages/aws-cdk/lib/init-templates/app/typescript/README.md b/packages/aws-cdk/lib/init-templates/app/typescript/README.md
@@ -1,21 +1,7 @@
-# Installing Dependencies
-
-Since CDK npm modules are not published to npm, use `y-npm` instead of `npm`
-when installing dependencies.
-
-    y-npm install @aws-cdk/dynamo
-
-This wrapper falls-back to the public npm repository, and
-you should use it for installing all dependencies for this project:
-
-    y-npm i left-pad --save-dev
-
 # Useful commands
 
- * `npm run build` compile typescript to js
+ * `npm run build`   compile typescript to js
  * `npm run watch`   watch for changes and compile
  * `cdk deploy`      deploy this stack to your default AWS account/region
  * `cdk diff`        compare deployed stack with current state
  * `cdk synth`       emits the synthesized CloudFormation template
- * `cdk docs`        open CDK documentation
-
diff --git a/packages/aws-cdk/lib/init-templates/lib/typescript/README.md b/packages/aws-cdk/lib/init-templates/lib/typescript/README.md
@@ -1,18 +1,4 @@
-# Installing Dependencies
-
-Since CDK npm modules are not published to npm, use `y-npm` instead of `npm`
-when installing dependencies.
-
-    y-npm install @aws-cdk/dynamo
-
-This wrapper falls-back to the public npm repository, and
-you should use it for installing all dependencies for this project:
-
-    y-npm i left-pad --save-dev
-
 # Useful commands
 
- * `npm run build` compile typescript to js
+ * `npm run build`   compile typescript to js
  * `npm run watch`   watch for changes and compile
- * `cdk docs`        open CDK documentation
-
diff --git a/screencast.gif b/screencast.gif