serverless.yml

service: image-processing-lambda
frameworkVersion: '3'

provider:
  name: aws
  runtime: nodejs14.x
  timeout: 10
  stage: dev

  iam:
    role:
      statements:
        - Effect: "Allow"
          Action:
            - "s3:GetObject"
            - "s3:PutObject"
          Resource: "arn:aws:s3:::<S3_BUCKET_NAME>/*"

functions:
  processFile:
    handler: handler.processFile
    events:
      - httpApi:
          path: /
          method: get