Redis CloudFormation

template.yml

Transform: 'AWS::Serverless-2016-10-31'

Parameters:
  ClusterName:
    Type: String
  Stage:
    Type: String

Resources:

  CacheSubnetGroup:
    Type: 'AWS::ElastiCache::SubnetGroup'
    Properties:
      Description: !Ref 'AWS::StackName'
      SubnetIds: 
      - Fn::ImportValue:
          !Sub ${Stage}-DbSubNetOne
      - Fn::ImportValue:
          !Sub ${Stage}-DbSubNetTwo
      
  SecurityGroup:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupDescription: !Ref 'AWS::StackName'
      VpcId: !ImportValue vpc-id
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: 6379
        ToPort: 6379
        SourceSecurityGroupId: 
          Fn::ImportValue:
            !Sub SecurityGroupId-${Stage}

  ElasticCacheCluster:
    Type: 'AWS::ElastiCache::CacheCluster'
    Properties:
      ClusterName: !Ref ClusterName
      CacheSubnetGroupName: !Ref CacheSubnetGroup
      AutoMinorVersionUpgrade: true
      Engine: redis
      CacheNodeType: cache.t3.micro
      NumCacheNodes: 1
      PreferredMaintenanceWindow: sun:23:00-mon:01:30
      VpcSecurityGroupIds:
        - !Ref SecurityGroup
Outputs:
  CacheEndPoint:
    Value: !GetAtt ElasticCacheCluster.RedisEndpoint.Address
    Description: Endpoint to connect to ElastiCache
    Export:
      Name: 
        !Sub ElastiCache-Endpoint-${Stage}