serverless.yml

service: spring-cloud-function-aws-iw

provider:
  name: aws
  runtime: java8
  region: us-east-1
  memory: 1024
  timeout: 20
  iamRoleStatements:
    - Effect: 'Allow'
      Action:
        - dynamodb:DescribeTable
        - dynamodb:Query
        - dynamodb:Scan
        - dynamodb:GetItem
        - dynamodb:PutItem
        - dynamodb:UpdateItem
        - dynamodb:DeleteItem
      Resource: 
        Fn::Join:
          - ""
          - - "arn:aws:dynamodb:::"
            - "Ref" : "DynamoDBRes"
            
# jar file that will be uploaded and executed on AWS
package:
  artifact: target/iw-aws-lambda-blog-1-shaded.jar

#define Lambda function
functions:
  createStudent:
    handler: org.springframework.cloud.function.adapter.aws.SpringBootStreamHandler
    events: # api gateway
      - http:
          path: student
          method: post
          cors: true
    environment: # environment variables
      FUNCTION_NAME: createStudent
      
# cloud formation
resources:
  Resources:
    DynamoDBRes:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          - AttributeName: "uuid"
            AttributeType: "S"
        KeySchema:
          - AttributeName: "uuid"
            KeyType: "HASH"
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: student