template.yaml

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

Parameters:
  Stage:
    Type: String
    Default: dev
  DBDriverName:
    Type: String
    Default: ''
  DBDataSourceName:
    Type: String
    Default: ''

# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 15
    Runtime: go1.x
    Environment:
      Variables:
        Stage: !Ref Stage
        DBDriverName: !Ref DBDriverName
        DBDataSourceName: !Ref DBDataSourceName
        ApiGatewayEndpoint: !Ref ApiGatewayEndpoint

Resources:
  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Sub '${AWS::StackName}-LambdaRole'
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/service-role/AWSLambdaRole
        - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - lambda.amazonaws.com
            Action:
              - 'sts:AssumeRole'

  RestApi:
    Type: AWS::Serverless::Api
    Properties:
      Name: !Ref AWS::StackName
      StageName: !Ref Stage
      Cors:
        AllowMethods: "'GET,POST,PUT,DELETE,OPTIONS'"
        AllowHeaders: "'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token,X-Amz-User-Agent'"
        AllowOrigin: "'*'"

  HelloWorldFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: !Sub '${AWS::StackName}-HelloWorld'
      CodeUri: bin/hello-world
      Handler: hello-world
      Role: !GetAtt
        - LambdaExecutionRole
        - Arn
      Events:
        HelloWorld:
          Type: Api
          Properties:
            Path: /hello
            Method: GET
            RestApiId: !Ref RestApi

  UserListFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: !Sub '${AWS::StackName}-UserList'
      CodeUri: bin/user-list
      Handler: user-list
      Role: !GetAtt
        - LambdaExecutionRole
        - Arn
      Events:
        UserList:
          Type: Api
          Properties:
            Path: /users
            Method: GET
            RestApiId: !Ref RestApi

  UserCreateFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: !Sub '${AWS::StackName}-UserCreate'
      CodeUri: bin/user-create
      Handler: user-create
      Role: !GetAtt
        - LambdaExecutionRole
        - Arn
      Events:
        UserCreate:
          Type: Api
          Properties:
            Path: /users
            Method: POST
            RestApiId: !Ref RestApi

Outputs:
  ApiGatewayInvokeURL:
    Value: !Sub 'https://${RestApi}.execute-api.${AWS::Region}.amazonaws.com/${Stage}'