AWSTemplateFormatVersion: 2010-09-09
Transform: AWS::Serverless-2016-10-31
Parameters:
  UserGitURL:
    Type: String
  UserGitARN:
    Type: String
Resources:
  AmplifyRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - amplify.amazonaws.com
            Action:
              - sts:AssumeRole
      Policies:
        - PolicyName: Amplify
          PolicyDocument:
            Version: 2012-10-17
            Statement:
              - Effect: Allow
                Action: "amplify:*"
                Resource: "*"
              - Effect: Allow
                Action: "codecommit:GitPull"
                Resource: !Ref UserGitARN
  DevBranch:
    Type: AWS::Amplify::Branch
    Properties: 
      BranchName: master
      AppId: !GetAtt App.AppId
      EnableAutoBuild: yes
      EnvironmentVariables:
        - Name: USER_BRANCH
          Value: dev  
  App:
    Type: AWS::Amplify::App
    Properties:
      Name: DemoApp
      Repository: !Ref UserGitURL
      IAMServiceRole: !GetAtt AmplifyRole.Arn
      BuildSpec: |
        version: 1
        frontend:
          phases:
            # IMPORTANT - Please verify your build commands
            build:
              commands: []
          artifacts:
            # IMPORTANT - Please verify your build output directory
            baseDirectory: /
            files:
              - '**/*'
          cache:
            paths: []