template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Globals:
    Function:
        Architectures:
            - arm64
        CodeUri: .
        Runtime: nodejs16.x
        Timeout: 29
        Layers:
            - arn:aws:lambda:ap-southeast-1:499202726088:layer:CommonNodeModulesLayer:1
            - arn:aws:lambda:ap-southeast-1:499202726088:layer:CommonLayer:2
        MemorySize: 128
        Environment:
            Variables:
                TABLE_NAME: !Ref UserTable
                POWERTOOLS_SERVICE_NAME: service-name # Update this
                POWERTOOLS_METRICS_NAMESPACE: service-name # Update this
                POWERTOOLS_LOGGER_LOG_EVENT: false # Set to false in production
Description: > # Update this
    aws-sam-template-node-ts

    SAM Template for aws-sam-template-node-ts

Parameters:
    Environment:
        Type: String
        AllowedValues:
            - production
            - staging
            - develop
    # EnvDomain:
    #     Type: String
    #     Description: Domain to use for this environment

Resources:
    APIGatewayV1:
        Type: AWS::Serverless::Api
        Properties:
            StageName: !Ref Environment
            Cors:
                AllowHeaders: "'*'"
                AllowMethods: "'POST, GET, PUT, PATCH, DELETE, OPTIONS'"
                AllowOrigin: "'*'"

    # APIGatewayMappingV1:
    #     Type: 'AWS::ApiGatewayV2::ApiMapping'
    #     DependsOn: APIGatewayStage # Fix for invalid stage identifier https://github.com/aws/serverless-application-model/issues/192
    #     Properties:
    #         DomainName: !Ref EnvDomain
    #         ApiId: !Ref APIGatewayV1
    #         ApiMappingKey: v1 # Update this
    #         Stage: !Ref Environment

    # # V2 API Gateway are commented out and are here for the sake of showing how to apply versioning to API endpoints
    # # Uncomment as necessary
    # APIGatewayV2:
    #     Type: AWS::Serverless::Api
    #     Properties:
    #         StageName: !Ref Environment
    #         Cors:
    #             AllowHeaders: "'*'"
    #             AllowMethods: "'POST, GET, PUT, PATCH, DELETE, OPTIONS'"
    #             AllowOrigin: "'*'"
    #
    # APIGatewayMappingV2:
    #     Type: 'AWS::ApiGatewayV2::ApiMapping'
    #     DependsOn: APIGatewayStage # Fix for invalid stage identifier https://github.com/aws/serverless-application-model/issues/192
    #     Properties:
    #         DomainName: !Ref EnvDomain
    #         ApiId: !Ref APIGatewayV2
    #         ApiMappingKey: v2 # Update this
    #         Stage: !Ref Environment

    GetAllUsersV1Function:
        Type: AWS::Serverless::Function
        Properties:
            FunctionName: !Sub ${AWS::StackName}-GetAllUsersV1
            Description: Get all users v1
            Events:
                API:
                    Type: Api
                    Properties:
                        Path: /users
                        Method: get
                        RestApiId: !Ref APIGatewayV1
            Handler: getAll.handler
            Policies:
                - DynamoDBCrudPolicy:
                      TableName: !Ref UserTable
        Metadata: # Manage esbuild properties
            BuildArchitecture: arm64
            BuildMethod: esbuild
            BuildProperties:
                Minify: false
                Target: 'es2020'
                EntryPoints:
                    - src/handlers/v1/user/getAll/getAll.ts
                External: # Define external dependencies to be loaded as Layers
                    - aws-sdk
                    - /opt/nodejs/utils/*
                    - '@middy/core'
                    - '@aws-lambda-powertools/*'

    GetUserV1Function:
        Type: AWS::Serverless::Function
        Properties:
            FunctionName: !Sub ${AWS::StackName}-GetUserV1
            Description: Get user v1
            Events:
                API:
                    Type: Api
                    Properties:
                        Path: /users/{userId}
                        Method: get
                        RestApiId: !Ref APIGatewayV1
            Handler: get.handler
            Policies:
                - DynamoDBCrudPolicy:
                      TableName: !Ref UserTable
        Metadata: # Manage esbuild properties
            BuildArchitecture: arm64
            BuildMethod: esbuild
            BuildProperties:
                Minify: false
                Target: 'es2020'
                EntryPoints:
                    - src/handlers/v1/user/get/get.ts
                External: # Define external dependencies to be loaded as Layers
                    - aws-sdk
                    - /opt/nodejs/utils/*
                    - '@middy/core'
                    - '@aws-lambda-powertools/*'

    CreateUserV1Function:
        Type: AWS::Serverless::Function
        Properties:
            FunctionName: !Sub ${AWS::StackName}-CreateUserV1
            Description: Create user v1
            Events:
                API:
                    Type: Api
                    Properties:
                        Path: /users
                        Method: post
                        RestApiId: !Ref APIGatewayV1
            Handler: create.handler
            Policies:
                - DynamoDBCrudPolicy:
                      TableName: !Ref UserTable
        Metadata: # Manage esbuild properties
            BuildMethod: esbuild
            BuildProperties:
                Minify: false
                Target: 'es2020'
                EntryPoints:
                    - src/handlers/v1/user/create/create.ts
                External: # Define external dependencies to be loaded as Layers
                    - aws-sdk
                    - /opt/nodejs/utils/*
                    - '@middy/core'
                    - '@aws-lambda-powertools/*'
                    - uuid
                    - zod

    UpdateUserV1Function:
        Type: AWS::Serverless::Function
        Properties:
            FunctionName: !Sub ${AWS::StackName}-UpdateUserV1
            Description: Update user v1
            Events:
                API:
                    Type: Api
                    Properties:
                        Path: /users/{userId}
                        Method: patch
                        RestApiId: !Ref APIGatewayV1
            Handler: update.handler
            Policies:
                - DynamoDBCrudPolicy:
                      TableName: !Ref UserTable
        Metadata: # Manage esbuild properties
            BuildMethod: esbuild
            BuildProperties:
                Minify: false
                Target: 'es2020'
                EntryPoints:
                    - src/handlers/v1/user/update/update.ts
                External: # Define external dependencies to be loaded as Layers
                    - aws-sdk
                    - /opt/nodejs/utils/*
                    - '@middy/core'
                    - '@aws-lambda-powertools/*'
                    - zod

    DeleteUserV1Function:
        Type: AWS::Serverless::Function
        Properties:
            FunctionName: !Sub ${AWS::StackName}-DeleteUserV1
            Description: Delete user v1
            Events:
                API:
                    Type: Api
                    Properties:
                        Path: /users/{userId}
                        Method: delete
                        RestApiId: !Ref APIGatewayV1
            Handler: delete.handler
            Policies:
                - DynamoDBCrudPolicy:
                      TableName: !Ref UserTable
        Metadata: # Manage esbuild properties
            BuildArchitecture: arm64
            BuildMethod: esbuild
            BuildProperties:
                Minify: false
                Target: 'es2020'
                EntryPoints:
                    - src/handlers/v1/user/delete/delete.ts
                External: # Define external dependencies to be loaded as Layers
                    - aws-sdk
                    - /opt/nodejs/utils/*
                    - '@middy/core'
                    - '@aws-lambda-powertools/*'

    # # V2 Lambda Functions are commented out and are here for the sake of showing how to apply versioning to API endpoints
    # # Uncomment as necessary
    # GetUserV2Function:
    #     Type: AWS::Serverless::Function
    #     Properties:
    #         FunctionName: !Sub ${AWS::StackName}-GetUserV2
    #         Description: Get user from DynamoDB v2
    #         Events:
    #             API:
    #                 Type: Api
    #                 Properties:
    #                     Path: /users/{id}
    #                     Method: get
    #                     RestApiId: !Ref APIGatewayV2
    #         Handler: get.handler
    #         Policies:
    #             - DynamoDBCrudPolicy:
    #                   TableName: !Ref UserTable
    #     Metadata: # Manage esbuild properties
    #         BuildArchitecture: arm64
    #         BuildMethod: esbuild
    #         BuildProperties:
    #             Minify: false
    #             Target: 'es2020'
    #             EntryPoints:
    #                 - src/handlers/v2/user/get/get.ts
    #             External: # Define external dependencies to be loaded as Layers
    #                 - aws-sdk
    #                 - /opt/nodejs/utils/*
    #                 - '@middy/core'
    #                 - '@aws-lambda-powertools/*'

    # CreateUserV2Function:
    #     Type: AWS::Serverless::Function
    #     Properties:
    #         FunctionName: !Sub ${AWS::StackName}-CreateUserV2
    #         Description: Save user to DynamoDB v2
    #         Events:
    #             API:
    #                 Type: Api
    #                 Properties:
    #                     Path: /users
    #                     Method: post
    #                     RestApiId: !Ref APIGatewayV2
    #         Handler: create.handler
    #         Policies:
    #             - DynamoDBCrudPolicy:
    #                   TableName: !Ref UserTable
    #     Metadata: # Manage esbuild properties
    #         BuildMethod: esbuild
    #         BuildProperties:
    #             Minify: false
    #             Target: 'es2020'
    #             EntryPoints:
    #                 - src/handlers/v2/user/create/create.ts
    #             External: # Define external dependencies to be loaded as Layers
    #                 - aws-sdk
    #                 - /opt/nodejs/utils/*
    #                 - '@middy/core'
    #                 - '@aws-lambda-powertools/*'

    UserTable:
        Type: AWS::DynamoDB::Table
        Properties:
            BillingMode: PAY_PER_REQUEST
            TableName: !Sub UserTable-${Environment}
            AttributeDefinitions:
                - AttributeName: 'userId' # PK
                  AttributeType: 'S'
                - AttributeName: 'created' # SK
                  AttributeType: 'N'
            KeySchema:
                - AttributeName: 'userId' # PK
                  KeyType: 'HASH'
                - AttributeName: 'created' # SK
                  KeyType: 'RANGE'
            GlobalSecondaryIndexes:
                - IndexName: userIdIndex
                  KeySchema:
                      - AttributeName: userId
                        KeyType: HASH
                  Projection:
                      ProjectionType: KEYS_ONLY

Outputs:
    APIGatewayV1Endpoint:
        Description: API Gateway V1 endpoint URL
        Value: !Sub 'https://${APIGatewayV1}.execute-api.${AWS::Region}.amazonaws.com/${Environment}/'
    # APIGatewayV2Endpoint:
    #     Description: API Gateway V2 endpoint URL
    #     Value: !Sub 'https://${APIGatewayV2}.execute-api.${AWS::Region}.amazonaws.com/${Environment}/'