Amazon Web Services(AWS) CloudFormation

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Auto Scaling Elastic Beanstalk

This was designed to be deployed inside us-east-1 datacenter. Instances are placed inside the private subnets, internet traffic coming from the load balancer traverses through the public subnets. If you're looking to migrate your customized application into the AWS cloud, this is a template I built. It has a total of 7 Subnets (4 Private, 3 Public), automatically scales for more compute power based on used resources, and uses the blue-green deployment method (replacing 25% of active instances at a time) with the ability to role back if an error occurs in the new version deployment.

VPC: 10.1.0.0 - 10.1.15.255 /20

Public Subnets:

• 1 /28 10.1.14.0 - 10.1.14.15
• 2 /28 10.1.14.16 - 10.1.14.31
• 3 /28 10.1.14.32 - 10.1.14.47

Private Subnets:

• 1 /22 10.1.0.0 - 10.1.3.255
• 2 /22 10.1.4.0 - 10.1.7.255
• 3 /22 10.1.8.0 - 10.1.11.255
• 4 /23 10.1.12.0 - 10.1.13.255

Sources: http://docs.aws.amazon.com/cli/latest/reference/elasticbeanstalk/describe-configuration-options.html http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/command-options.html#configuration-options-recommendedvalues http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/vpc-rds.html http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-beanstalk-configurationtemplate.html http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/command-options-general.html