Update node.js runtime

[emsearcy]

Serverless deploy output:

The runtime parameter of nodejs6.10 is no longer supported for creating or updating AWS Lambda functions. We recommend you use the new runtime (nodejs12.x) while creating or updating functions.

[emsearcy]

I didn't run extensive tests but it seems to work ok on nodejs12.x -- didn't see any warnings/errors in cloudwatch logs.

-  runtime: nodejs6.10
+  runtime: nodejs12.x

[agstevens]

In case it helps anyone else, I had an issue with webpack:
line 7 of webpack.config.js

• loaders: [

• rules: [

Source: https://webpack.js.org/migrate/3/#module-loaders-is-now-module-rules

[brunobalves]

Can anyone help me change the code to generate index.html in root directory?