template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Parameters:
  Stage:
    Type: String
    Description: Stage name for Api Gateway
    AllowedValues:
      - dev
      - prod

Globals:
  Function:
    Runtime: java11
    Timeout: 20
    MemorySize: 512
    AutoPublishAlias: !Ref Stage
    Environment:
      Variables:
        TABLE: !Ref productsTable
    Tracing: Active

Resources:
  myApi:
    Type: AWS::Serverless::Api
    Properties:
      StageName: !Ref Stage
      Variables:
        LAMBDA_ALIAS: !Ref Stage
      TracingEnabled: true
  productsTable:
    Type: AWS::Serverless::SimpleTable
    Properties:
      PrimaryKey:
        Name: productId
        Type: String
      SSESpecification:
        SSEEnabled: true
  getFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: org.example.handler.GetHandler::handleRequest
      Policies:
        - DynamoDBReadPolicy:
            TableName: !Ref productsTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Method: get
            Path: /products/{id}
            RestApiId: !Ref myApi
  postFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: org.example.handler.PostHandler::handleRequest
      Policies:
        - DynamoDBWritePolicy:
            TableName: !Ref productsTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Method: post
            Path: /products
            RestApiId:
              Ref: myApi
  putFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: org.example.handler.PutHandler::handleRequest
      Policies:
        - DynamoDBWritePolicy:
            TableName: !Ref productsTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Method: put
            Path: /products
            RestApiId:
              Ref: myApi
  deleteFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: org.example.handler.PutHandler::handleRequest
      Policies:
        - DynamoDBWritePolicy:
            TableName: !Ref productsTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Method: delete
            Path: /products/{id}
            RestApiId:
              Ref: myApi

Outputs:
  Endpoint:
    Value: !Sub "https://${myApi}.execute-api.${AWS::Region}.amazonaws.com/${Stage}/products"