$ npm install serverless-secure -D

plugins: [
    ....,
    'serverless-secure',
  ],

$ serverless secure
or
$ sls secure -p <route-path>


***Adds Secure Layer:***

#     secureAuthorizer: {
#           handler: "secure_layer/handler.secureAuthorizer
#       }

***..to desired route:***

# hello: {
#     handler: 'handler.hello',
#     events: [
#         {
#           http: {
#             method: 'get',
#             path: 'hello',
#             cors: '${self:custom.corsValue}',
#             authorizer: 'secureAuthorizer'
#           }
#         }
#     ]
# }

$ npm run test