serverless.yml

# Service name
service: serverless-ffmpeg

custom:
  # Configure these
  source_bucket: ${file(./config.yml):source_bucket}
  destination_bucket: ${file(./config.yml):destination_bucket}
  ffmpeg_params: ${file(./config.yml):ffmpeg_params}
  # Leave as is
  remover:
     buckets:
       - ${self:custom.source_bucket}
       - ${self:custom.destination_bucket}

plugins:
  - serverless-webpack
  - serverless-s3-remover

provider:
  name: aws
  runtime: nodejs6.10
  timeout: 300
  stage: ${file(./config.yml):stage}
  region: ${file(./config.yml):region}
  memorySize: ${file(./config.yml):memorySize}
  environment:
    DESTINATION_BUCKET: ${self:custom.destination_bucket}
    FFMPEG_PARAMS: ${self:custom.ffmpeg_params}
  iamRoleStatements:
    # List buckets
    - Effect: Allow
      Action:
        - s3:ListBucket
      Resource:
        - Fn::Join:
          - ""
          - - "arn:aws:s3:::"
            - ${self:custom.source_bucket}
        - Fn::Join:
          - ""
          - - "arn:aws:s3:::"
            - ${self:custom.destination_bucket}
    # Operate in buckets
    - Effect: Allow
      Action:
        - s3:PutObject
        - s3:GetObject
        - s3:DeleteObject
      Resource:
        - Fn::Join:
          - ""
          - - "arn:aws:s3:::"
            - ${self:custom.source_bucket}
            - "/*"
        - Fn::Join:
          - ""
          - - "arn:aws:s3:::"
            - ${self:custom.destination_bucket}
            - "/*"

functions:
  ffmpeg:
    handler: handler.main
    events:
      - s3:
          bucket: ${self:custom.source_bucket} # This will create the source bucket
          event: s3:ObjectCreated:*


resources:
  Resources:
    # Make the output bucket
    FfmpegDestination:
      Type: AWS::S3::Bucket
      Properties:
        BucketName: ${self:custom.destination_bucket}