Lambda-School-Labs/prismatopia

AWSTemplateFormatVersion: '2010-09-09'
Description: The Apollo task and service definitions for ECS

Parameters:
  ApplicationName:
    Type: String
    Description: The name of the application
    AllowedPattern: ^[a-z0-9\-]*$

  EnvironmentName:
    Type: String
    Description: The name of the application environment
    AllowedPattern: ^[a-z0-9\-]*$

  ApplicationDomainNamespace:
    Type: String
    Description: The DNS domain namespace for the application (e.g. mycoolapplication.com)
    AllowedPattern: ^[a-z0-9\-\.]*$

  ApolloDockerImage:
    Type: String
    Description: The name of the Docker image to use for Apollo

  ApolloServicePort:
    Type: Number
    Description: The port that the Apollo service will be listening on

  PrismaServicePort:
    Type: Number
    Description: The port that the Prisma service will be listening on

  JwksUri:
    Type: String

  JwtIssuer:
    Type: String

  LogLevel:
    Type: String
    Default: info

Conditions:
  IsProductionEnvironment: !Equals [ !Ref EnvironmentName, production ]

Resources:
  LogGroup:
    Type: 'AWS::Logs::LogGroup'
    Properties:
      LogGroupName: !Sub ${ApplicationName}-${EnvironmentName}-apollo
      RetentionInDays: 14

  TaskDefinition:
    Type: 'AWS::ECS::TaskDefinition'
    Properties:
      NetworkMode: awsvpc
      RequiresCompatibilities:
        - FARGATE
      Family: !Sub ${ApplicationName}-${EnvironmentName}-apollo
      Cpu: '1024'
      Memory: '2048'
      ExecutionRoleArn:
        Fn::ImportValue: !Sub ${ApplicationName}-ECSTaskExecutionRole
      TaskRoleArn:
        Fn::ImportValue: !Sub ${ApplicationName}-ECSTaskExecutionRole
      Tags:
        - Key: Name
          Value: !Sub ${ApplicationName}-${EnvironmentName}
        - Key: Application
          Value: !Sub ${ApplicationName}
        - Key: Environment
          Value: !Sub ${EnvironmentName}
      ContainerDefinitions:
        - Name: apollo
          Image: !Ref ApolloDockerImage
          Essential: true
          PortMappings:
            - ContainerPort: !Ref ApolloServicePort
          LogConfiguration:
            LogDriver: awslogs
            Options:
              awslogs-group: !Ref LogGroup
              awslogs-region: !Ref AWS::Region
              awslogs-stream-prefix: apollo
          Secrets:
            - Name: PRISMA_SECRET
              ValueFrom:
                Fn::ImportValue: !Sub ${ApplicationName}-${EnvironmentName}-PrismaServiceAPISecretArn
          Environment:
            - Name: PORT
              Value: !Ref ApolloServicePort

            - Name: GRAPHQL_API_PATH
              Value: /

            - Name: PRISMA_ENDPOINT
              Value:
                Fn::If:
                  - IsProductionEnvironment
                  - !Sub "http://prisma.private.${ApplicationDomainNamespace}:${PrismaServicePort}"
                  - !Sub "http://prisma.private.${EnvironmentName}.${ApplicationDomainNamespace}:${PrismaServicePort}"

            - Name: JWKS_URI
              Value: !Ref JwksUri

            - Name: JWT_ISSUER
              Value: !Ref JwtIssuer

            - Name: LOG_LEVEL
              Value: !Ref LogLevel

  Service:
    Type: AWS::ECS::Service
    Properties:
      LaunchType: FARGATE
      TaskDefinition: !Ref TaskDefinition
      Cluster:
        Fn::ImportValue: !Sub ${ApplicationName}-${EnvironmentName}-ECSCluster
      DesiredCount: 1
      LoadBalancers:
        - ContainerName: apollo
          ContainerPort: !Ref ApolloServicePort
          TargetGroupArn:
            Fn::ImportValue: !Sub ${ApplicationName}-${EnvironmentName}-ApolloTargetGroup
      NetworkConfiguration:
        AwsvpcConfiguration:
          AssignPublicIp: DISABLED
          Subnets:
            - Fn::ImportValue: !Sub ${ApplicationName}-PrivateSubnet01
            - Fn::ImportValue: !Sub ${ApplicationName}-PrivateSubnet02
          SecurityGroups:
            - Fn::ImportValue: !Sub ${ApplicationName}-ServiceSG

Outputs:
  ApolloServiceArn:
    Description: The ARN of the Apollo service
    Value: !Ref Service
    Export:
      Name: !Sub ${ApplicationName}-${EnvironmentName}-ApolloServiceArn