# aws amplify > Development platform for building secure, scalable mobile and web applications. > More information: . - Create a new Amplify app: `aws amplify create-app --name {{app_name}} --description {{description}} --repository {{repo_url}} --platform {{platform}} --environment-variables {{env_vars}} --tags {{tags}}` - Delete an existing Amplify app: `aws amplify delete-app --app-id {{app_id}}` - Get details of a specific Amplify app: `aws amplify get-app --app-id {{app_id}}` - List all Amplify apps: `aws amplify list-apps` - Update settings of an Amplify app: `aws amplify update-app --app-id {{app_id}} --name {{new_name}} --description {{new_description}} --repository {{new_repo_url}} --environment-variables {{new_env_vars}} --tags {{new_tags}}` - Add a new backend environment to an Amplify app: `aws amplify create-backend-environment --app-id {{app_id}} --environment-name {{env_name}} --deployment-artifacts {{artifacts}}` - Remove a backend environment from an Amplify app: `aws amplify delete-backend-environment --app-id {{app_id}} --environment-name {{env_name}}` - List all backend environments in an Amplify app: `aws amplify list-backend-environments --app-id {{app_id}}`