About AWS CodeDeploy

AWS CodeDeploy is a service that assists in automating deployments of application code and files to EC2 instances, on-premises servers, Lambda functions, and containers running on AWS ECS.

CodeDeploy is a service that makes the following things easier:

• Update Lambda functions and create new versions
• Avoid downtime during application deployments
• Swiftly release new features
• Promptly roll back to a known good version in case of deployment failure

AWS CodeDeploy is focused on the following three platforms for deployments:

• EC2/on-premises instances
• Lambda functions
• ECS containerized applications

Using these three platforms as a basis, you describe your deployments in a file named appspec. This file can be written in either JSON or YAML Ain't Markup Language (YAML) format.

There are multiple types of files and components that CodeDeploy can distribute, including the following:

• Executables
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