Make sure serverless is installed. See installation guide.

You will also need to set up your OpenWhisk account credentials using environment variables or a configuration file. Please see the this guide for more information.

npm install in this directory to download the modules from package.json.

serverless deploy or sls deploy. sls is shorthand for the Serverless CLI command

$ serverless deploy
Serverless: Packaging service...
Serverless: Compiling Functions...
Serverless: Compiling API Gateway definitions...
Serverless: Compiling Rules...
Serverless: Compiling Triggers & Feeds...
Serverless: Deploying Functions...
Serverless: Deploying Sequences...
Serverless: Deployment successful!

Service Information
platform:	openwhisk.ng.bluemix.net
namespace:	_
service:	testing

actions:
testing-dev-location_sunrise_sunset    testing-dev-sunrise_sunset    testing-dev-location_from_address    testing-dev-jq

serverless invoke -f location_sunrise_sunset -d '{"address": "london"}'

-f is also shorthand for --function

In your terminal window you should see the response from Apache OpenWhisk

{
    "results": {
        "astronomical_twilight_end": "8:26:54 PM",
        "day_length": "12:48:55",
        "civil_twilight_begin": "5:06:55 AM",
        "solar_noon": "12:05:03 PM",
        "sunrise": "5:40:36 AM",
        "civil_twilight_end": "7:03:11 PM",
        "sunset": "6:29:31 PM",
        "nautical_twilight_end": "7:43:44 PM",
        "astronomical_twilight_begin": "3:43:12 AM",
        "nautical_twilight_begin": "4:26:22 AM"
    },
    "status": "OK"
}

For more information on the Serverless OpenWhisk plugin, please see the project repository: https://serverless.com/framework/docs/providers/openwhisk/guide/credentials/.