serverless-sam
Version:
Serverless framework plugin to export AWS SAM templates for a service
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title: OpenWhisk Serverless Simple example in Swift
description: This example demonstrates a simple example in Swift.
layout: Doc
-->
# Serverless Boilerplate - OpenWhisk - Swift
Make sure `serverless` is installed. [See installation guide](https://serverless.com/framework/docs/providers/openwhisk/guide/installation/).
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](https://serverless.com/framework/docs/providers/openwhisk/guide/credentials/).
## 1. Install Provider Plugin
`npm install -g serverless-openwhisk`
## 2. Install Service Dependencies
`npm install` in this directory to download the modules from `package.json`.
## 3. 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
platform: openwhisk.ng.bluemix.net
namespace: _
service: swift-service
actions:
swift-service-dev-ping
```
## 4. Invoke deployed function
`serverless invoke --function ping` or `serverless invoke -f ping`
`-f` is shorthand for `--function`
In your terminal window you should see the response from Apache OpenWhisk
```bash
$ serverless invoke -f ping
{
}
$ serverless invoke -f ping -d '{"name": "James"}'
{
"greeting": "Hello James! The time is 2017-03-28 16:24:23"
}
```
**For more information on the Serverless OpenWhisk plugin, please see the project repository: [https://serverless.com/framework/docs/providers/openwhisk/guide/credentials/](https://serverless.com/framework/docs/providers/openwhisk/guide/credentials/).**