Update more docs and fix bug of not defined environment

Author: stefanjudis

Readme.md

@@ -18,7 +18,7 @@ Serverless Framework plugin to deploy to the Twilio Runtime
 - Create a new `package.json`: `npm init`
 - Install Twilio Runtime plugin: `npm install save @twilio-labs/serverless-twilio-runtime`
 - Create a runtime function at `./functions/hello-world.js`
-  - Define your function: `exports.handler = function() { callback(null, "hello world!"); };`
+  - Define your function: `exports.handler = function(context, event, callback) { callback(null, "hello world!"); };`
 - Create a `serverless.yml` and define minimal configuration
 
 #### Minimal `serverless.yml` configuration
@@ -34,6 +34,11 @@ provider:
     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'

info/twilio-info.js

@@ -29,8 +29,6 @@ class TwilioInfo {
       env => env.domain_suffix === serverless.service.provider.environment
     );
 
-    // console.log(currentService, currentEnvironment);
-
     const info = await twilioServerlessClient.list({
       serviceName: serverless.service.service,
       environment: currentEnvironment.sid,

util/util.js

@@ -38,7 +38,7 @@ function getTwilioClient(serverless) {
  */
 async function getTwilioDeployConfig(serverless, options = {}) {
   const config = {
-    env: serverless.service.provider.environmentVars,
+    env: serverless.service.provider.environmentVars || {},
     pkgJson: {
       dependencies: serverless.service.provider.dependencies
     },