What are the steps involved in a CloudFormation Solution?

CloudFormation is a service provided by AWS that allows users to create and manage AWS resources using templates. A CloudFormation solution involves several steps that are required to create, update, or delete AWS resources in a repeatable and automated way.

The steps involved in a CloudFormation solution are as follows:

• Define the infrastructure as code: Users first create a CloudFormation template that defines the infrastructure resources they need. The template is written in YAML or JSON format and describes the AWS resources required, including EC2 instances, security groups, load balancers, and more.
• Upload the template to CloudFormation: Users then upload the template to CloudFormation, where it is stored as a stack. A stack is a collection of AWS resources that are created, updated, or deleted together as a single unit.
• Review the template: Once the template is uploaded, users can review it to ensure that it accurately reflects the infrastructure resources they need.
• Launch the stack: Users can then launch the stack, which creates the resources defined in the template. CloudFormation will automatically provision the resources in the order specified in the template.
• Monitor the stack: Users can monitor the stack to ensure that all resources are provisioned correctly. If any errors occur, CloudFormation will automatically roll back the stack to the previous state.
• Update the stack: Users can update the stack by modifying the template and uploading a new version. CloudFormation will then update the resources to match the new template.
• Delete the stack: Finally, users can delete the stack, which will delete all resources created by the stack. This ensures that resources are not left running and incurring costs unnecessarily.