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Important

This project is in the process of being moved into a monorepo. In the meantime, for any issues please open an issue at github.com/twilio-labs/twilio-run/issues

Twilio Runtime Plugin for Serverless Framework

Npm Version

Serverless Framework plugin to deploy to the Twilio Runtime

Getting started

Pre-requisites

  • Node.js v8.10.0 (this is the runtime version supported by Twilio Functions)
  • Serverless CLI v1.50.0+. You can run npm i -g serverless if you don't already have it.
  • A Twilio account. If you don't have one you can sign up quickly.

Create a new Twilio service

  • Run serverless create -t twilio-nodejs -p my-twilio-project
  • cd my-twilio-project
  • define TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN as environment vars
  • run serverless deploy to deploy the service
  • run serverless invoke -f hello-world to invoke the deployed hello-world function
  • run serverless info to retrieve information about your Twilio Runtime service

Minimal serverless.yml configuration

service: your-service # update this with your service name

provider:
  name: twilio

  # Twilio access credentials (mandatory)
  config:
    accountSid: ${env:TWILIO_ACCOUNT_SID}
    authToken: ${env:TWILIO_AUTH_TOKEN}

  # Twilio runtime supports several domains
  # your functions and assets will be available under
  # -> defaulting to 'dev'
  environment: ${env:TWILIO_RUNTIME_ENV, 'dev'}

# Twilio runtime has to be added as a plugin
plugins:
  - '@twilio-labs/serverless-twilio-runtime'

functions:
  # Function name
  hello-world:
    # Path to the JS handler function in the project (without file extension '.js')
    handler: functions/hello-world
    # URL path of the function after deployment
    path: /hello-world-path
    # visibility of the function (can be "public" or "protected")
    access: public

Deploy, test, and diagnose your Twilio runtime

To deploy, you will need either some environment variables set or manually input the accountSid and authToken in the provider.config section of your serverless.yml. You can find the credentials in the Twilio Console.

service: your-service # update this with your service name

provider:
  name: twilio

  # Twilio access credentials (mandatory)
  config:
    accountSid: ${env:TWILIO_ACCOUNT_SID}
    authToken: ${env:TWILIO_AUTH_TOKEN}

Note that you have to configure provider.config with a accountSid and authToken property.

All supported configuration - serverless.yml

The Twilio runtime supports the following configuration options as of today:

# serverless.yml

# Name of your service
service: your-service

# Provider definition
# all functions and assets
# share the same provider configuration
provider:
  # Twilio runtime as your preferred provider
  name: twilio

  # Auth credentials which you'll find at twilio.com/console
  config:
    accountSid: ${env:TWILIO_ACCOUNT_SID}
    authToken: ${env:TWILIO_AUTH_TOKEN}

  # Dependency definitions similar
  # to dependencies in a package.json
  # -> these dependencies will be available in the
  #    Twilio Node.js runtime
  dependencies:
    asciiart-logo: '*'

  # Twilio runtime supports several domains
  # your functions and assets will be available under
  # -> defaulting to 'dev'
  environment: ${env:TWILIO_RUNTIME_ENV, 'dev'}

  # Environment variables passed to your functions
  # available in the Twilio runtime via `context` function parameter
  environmentVars:
    MY_MESSAGE: 'This is cool stuff'

# Twilio runtime has to be added as a plugin
plugins:
  - '@twilio-labs/serverless-twilio-runtime'

functions:
  # Function name
  hello-world:
    # Path to the JS handler function in the project (without file extension '.js')
    handler: functions/hello-world
    # URL path of the function after deployment
    path: /hello-world-path
    # visibility of the function (can be "public" or "protected")
    access: public

resources:
  assets:
    # Asset name
    asset-image:
      # path to the asset in the project
      filePath: assets/image.jpg
      # URL path to the asset after deployment
      path: /image.jpg
      # visibility of the asset
      access: public

Supported commands

Deploy the service - serverless deploy

Deploy all functions and assets defined in your serverless.yml

$ serverless deploy

sls deploy
Serverless: Packaging service...
Serverless: Excluding development dependencies...
Serverless: twilio-runtime: Creating Service
Serverless: twilio-runtime: Configuring "final-test" environment
Serverless: twilio-runtime: Creating 2 Functions
Serverless: twilio-runtime: Uploading 2 Functions
Serverless: twilio-runtime: Creating 1 Assets
Serverless: twilio-runtime: Uploading 1 Assets
Serverless: twilio-runtime: Waiting for deployment.
Serverless: twilio-runtime: Waiting for deployment. Current status: building
Serverless: twilio-runtime: Setting environment variables
Serverless: twilio-runtime: Activating deployment
Serverless: twilio-runtime: Function available at: xxx-123-dev.twil.io/hello-world
Serverless: twilio-runtime: Asset available at: xxx-123-dev.twil.io/image.jpg

Get service information - serverless info

Get information about the currently deployed runtime.

$ serverless info

Service information
*******

Service: xxx
Service Sid: ZS...

Environment: dev
Environment unique name: dev-environment
Environment Sid: ZE...
Environment domain name: xxx-123-dev.twil.io
Environment variables:
  FOO: BAR

Assets:
  access: public
  creation date: 2019-07-25T11:03:46Z
  path: /image.jpg
  sid: ZN...
  url: https://xxx-123-dev.twil.io/image.jpg

Functions:
  access: public
  creation date: 2019-07-25T11:03:31Z
  path: /hello-world
  sid: ZN...
  url: https://xxx-123-dev.twil.io/hello-world

Invoke a deployed function - serverless invoke

Invoke a deployed function by referencing its name and see the response. Define the function using --function or -f parameter.

Make sure that you deployed the service first.

$ serverless invoke --function hello-world

sls invoke -f hello-world

  ,--------------------------------------------------------------------------.
  |                                                                          |
  |    _____          _ _ _         ____              _   _                  |
  |   |_   _|_      _(_) (_) ___   |  _ \ _   _ _ __ | |_(_)_ __ ___   ___   |
  |     | | \ \ /\ / / | | |/ _ \  | |_) | | | | '_ \| __| | '_ ` _ \ / _ \  |
  |     | |  \ V  V /| | | | (_) | |  _ <| |_| | | | | |_| | | | | | |  __/  |
  |     |_|   \_/\_/ |_|_|_|\___/  |_| \_\\__,_|_| |_|\__|_|_| |_| |_|\___|  |
  |                                                                          |
  |                                                                          |
  |                                                           version 1.0.0  |
  |                                                                          |
  |                                                                          |
  `--------------------------------------------------------------------------'

Contributing

This project welcomes contributions from the community.

Code of conduct

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.

License

MIT

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Serverless Framework plugin for Twilio Runtime

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