serverless.yml

service: hwsw-example

provider:
  name: aws
  runtime: nodejs6.10
  stage: dev
  region: eu-west-1
  iamRoleStatements:
    - Effect: Allow
      Action:
        - 's3:*'
      Resource: '*'

custom:
  storageBucketName: ${self:service}-${opt:stage, self:provider.stage}-storage

functions:
  authHandler:
    handler: index.authHandler
    cors: true
    environment:
      AUTH_SECRET: ${file(.env.json):AUTH_SECRET}
  signedUrlHandler:
    handler: index.signedUrlHandler
    environment:
      STORAGE_BUCKET: ${self:custom.storageBucketName}
    events:
      - http:
          path: geturl
          method: POST
          authorizer: authHandler
          cors: true

resources:
  Resources:
    StorageS3Bucket:
      Type: AWS::S3::Bucket
      Properties:
        BucketName: ${self:custom.storageBucketName}
        CorsConfiguration:
          CorsRules:
            - AllowedHeaders: ['*']
              AllowedMethods: ['GET']
              MaxAge: 3000
              AllowedOrigins: ['*']