The alias is a pointer to a specific version, it allows you to promote a function from one environment to another (such as staging to production). Aliases are mutable, unlike versions, which are immutable.
To illustrate the concept of aliases, we will create two aliases, as illustrated in the following diagram: a Production alias pointing to FindAllMovies Lambda function 1.0.0 version, and a Staging alias that points to function 1.1.0 version. Then, we will configure API Gateway to use these aliases instead of the $LATEST version:
Head back to the FindAllMovies configuration page. If you click on the Qualifiers drop-down list, you ...
