Package env populates .env.json if the function has any environment variables defined.

Package golang implements the "golang" runtime.

Package hooks implements hook script support.

Package inference adds file-based inference to detect runtimes when they are not explicitly specified.

Package nodejs implements the "nodejs" runtime.

Package python implements the "python" runtime.

Package shim adds a nodejs shim when the shim field is true, this is also used transparently in other plugins such as "golang" which are not directly supported by Lambda.