OpenWhisk Serverless Simple example in Ruby

This example demonstrates a simple example in Ruby.

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Serverless Boilerplate - OpenWhisk - Ruby

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.

1. Install Project Dependencies

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

2. Deploy

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

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

Service Information
namespace:	_
service:	ruby-service


3. Invoke deployed function

serverless invoke --function greeting or serverless invoke -f greeting

-f is shorthand for --function

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

$ serverless invoke -f greeting
    "greeting": "Hello stranger!"
$ serverless invoke -f greeting -d '{"name": "James"}'
    "greeting": "Hello James!"

For more information on the Serverless OpenWhisk plugin, please see the project repository: