https://github.com/sebsto/cdk-load-balance-autoscaling-groups

CDK Example Code to deploy Load Balanced Scaling Groups
https://github.com/sebsto/cdk-load-balance-autoscaling-groups

Last synced: 6 days ago
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CDK Example Code to deploy Load Balanced Scaling Groups

• Host: GitHub
• URL: https://github.com/sebsto/cdk-load-balance-autoscaling-groups
• Owner: sebsto
• Created: 2019-10-06T13:10:09.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2023-04-10T09:16:21.000Z (over 1 year ago)
• Last Synced: 2023-05-19T00:10:15.709Z (over 1 year ago)
• Language: HTML
• Size: 514 KB
• Stars: 15
• Watchers: 2
• Forks: 12
• Open Issues: 18
• Metadata Files:
  • Readme: README.md

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README

        
# Create a Load Balancer and two AutoScaling Group

This code creates an [Application Load Balancer](https://docs.aws.amazon.com/en_pv/elasticloadbalancing/latest/application/application-load-balancer-getting-started.html) and Two [Auto Scaling groups](https://docs.aws.amazon.com/en_pv/autoscaling/ec2/userguide/AutoScalingGroup.html).  It serves as basis to configure blue / green deployments.

## Getting started 

### Initial tasks (to execute only once) 

- Install CDK : https://docs.aws.amazon.com/en_pv/cdk/latest/guide/getting_started.html 

```bash

npm install -g aws-cdk

```

- Bootstrap the CDK environment

```bash

cdk boostrap

```

### For each redeployment 

- Build the code 

```bash

npm run build

```

- Deploy the code 

```bash

cdk deploy

```

### Cleanup

To cleanup the environment when you are done testing :

```bash

cdk destroy

```

## Application versions

The sample app is a sample static HTML page, taken from [Boostrap's sample](https://getbootstrap.com/docs/4.0/examples/carousel/).  Two versions of the same app are deployed.  The blue version is deployed to the blue scaling group and the green version is deployed to the green group.

## Useful commands

 * `npm run build`   compile typescript to js

 * `npm run watch`   watch for changes and compile

 * `npm run test`    perform the jest unit tests

 * `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