webpack.config.js

const CloudFormation = require('yaml-cfn')

// Extract the AWS::Serverless::Function Resources as they
// are the entires we need to compile.
const { Resources } = CloudFormation.yamlParse(fs.readFileSync('template.yml'))

const entries = Object.values(Resources)
  .filter(resource => resource.Type == 'AWS::Serverless::Function')
  .filter(resource => resource.Properties.Runtime.startsWith('dotnetcore'))
  .map(resource => {
    const file = resource.Properties.Handler.split('.')[0]
    const prefix = resource.Properties.CodeUri.substr(9)
    return { lambdaSourceFile: file, deploymentUri: prefix };
  });