Infrastructure stack for hosting a webapp on AWS

Cloudformation template for creating the resources and infrastructure for a webapp deployment in a scalable and reliable hosted system

The main-stack includes:

• A VPC block with 3 public and 3 private subnets with relating routing tables

• An autoscaling group for deploying instances through a launch template inclusing user data for configuring the application

• A remote RDS for providing data access to every instance created along with DynamoDB tables for transient data

• A Lambda function along with related roles and policies

• A load balancer and a target group pointing to the application

• An S3 bucket for object storage by the application along with related roles and policies

• KMS keys, aliases and policies for EC2 and RDS encryption

• A secure listener for SSL access to the application

• Roles, Security groups, policies for securing and consolidating access where needed

• Scaling policies along with related alarms

• Codedeploy application along with cloudwatch and related policies

Note: Some resources will need additional configurations and existing properties to exist in the AWS account

Pre-requisite env values:

export AWS_profile=profile

export AWS_REGION=us-east-1

Stack creation:

aws cloudformation create-stack --stack-name main-stack-1 --template-body file://main_stack.yml --parameters ParameterKey=VpcCidrBlock,ParameterValue="10.0.0.0/16" ParameterKey=AMI,ParameterValue="AMI_ID" --capabilities CAPABILITY_NAMED_IAM

aws cloudformation create-stack --stack-name CI/CD-roles --template-body file://CI-CD-roles.yml --capabilities CAPABILITY_NAMED_IAM

Stack deletion:

aws cloudformation delete-stack --stack-name main-stack

Delete Bucket Objects:

aws s3 rm s3://BUCKET_NAME --recursive