template-aws-quickstart.yaml

AWSTemplateFormatVersion: '2010-09-09'
Description: Deploy Langflow Service on AWS Elastic Beanstalk using Docker

Parameters:
  EnvironmentName:
    Type: String
    Default: 'langflow-env'
    Description: 'The name of the Elastic Beanstalk environment.'

  ApplicationName:
    Type: String
    Default: 'langflow-app'
    Description: 'The name of the Elastic Beanstalk application.'

  S3BucketName:
    Type: String
    Default: 'langflow-quickstart'
    Description: 'The name of the existing S3 bucket where deployment.zip is stored.'

  S3Key:
    Type: String
    Default: 'deployment.zip'
    Description: 'The S3 key (file name) of the deployment package.'

  SolutionStackName:
    Type: String
    Default: '64bit Amazon Linux 2023 v4.3.4 running Docker'
    Description: 'Elastic Beanstalk platform versions for Single Container Docker'

  InstanceType:
    Type: String
    Default: 't3.medium'
    Description: 'EC2 Instance Type'

Resources:
  MyVPC:
    Type: 'AWS::EC2::VPC'
    Properties:
      CidrBlock: '10.0.0.0/16'
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: LangflowVPC

  MyInternetGateway:
    Type: 'AWS::EC2::InternetGateway'
    Properties:
      Tags:
        - Key: Name
          Value: LangflowInternetGateway

  VpcGatewayAttachment:
    Type: 'AWS::EC2::VPCGatewayAttachment'
    Properties:
      InternetGatewayId: !Ref MyInternetGateway
      VpcId: !Ref MyVPC

  MyRouteTable:
    Type: 'AWS::EC2::RouteTable'
    Properties:
      VpcId: !Ref MyVPC
      Tags:
        - Key: Name
          Value: LangflowRouteTable

  MyRoute:
    Type: 'AWS::EC2::Route'
    Properties:
      RouteTableId: !Ref MyRouteTable
      DestinationCidrBlock: '0.0.0.0/0'
      GatewayId: !Ref MyInternetGateway

  MySubnet1:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '10.0.1.0/24'
      AvailabilityZone: !Select [ 0, !GetAZs "" ]
      Tags:
        - Key: Name
          Value: LangflowSubnet1

  MySubnet2:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '10.0.2.0/24'
      AvailabilityZone: !Select [ 1, !GetAZs "" ]
      Tags:
        - Key: Name
          Value: LangflowSubnet2

  MySubnet1RouteTableAssociation:
    Type: 'AWS::EC2::SubnetRouteTableAssociation'
    Properties:
      SubnetId: !Ref MySubnet1
      RouteTableId: !Ref MyRouteTable

  MySubnet2RouteTableAssociation:
    Type: 'AWS::EC2::SubnetRouteTableAssociation'
    Properties:
      SubnetId: !Ref MySubnet2
      RouteTableId: !Ref MyRouteTable

  MySecurityGroup:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupDescription: 'Security group for my Elastic Beanstalk environment'
      VpcId: !Ref MyVPC
      SecurityGroupIngress:
        - IpProtocol: 'tcp'
          FromPort: 7860
          ToPort: 7860
          CidrIp: '0.0.0.0/0'
      SecurityGroupEgress:
        - IpProtocol: '-1'
          FromPort: 0
          ToPort: 65535
          CidrIp: '0.0.0.0/0'
      Tags:
        - Key: Name
          Value: LangflowSecurityGroup

  ElasticBeanstalkApplication:
    Type: 'AWS::ElasticBeanstalk::Application'
    Properties:
      ApplicationName: !Ref ApplicationName
      Description: 'Application for LangFlow'

  ElasticBeanstalkApplicationVersion:
    Type: 'AWS::ElasticBeanstalk::ApplicationVersion'
    Properties:
      ApplicationName: !Ref ElasticBeanstalkApplication
      Description: 'Version 1.0'
      SourceBundle:
        S3Bucket: !Ref S3BucketName
        S3Key: !Ref S3Key

  ElasticBeanstalkEnvironment:
    Type: 'AWS::ElasticBeanstalk::Environment'
    Properties:
      EnvironmentName: !Ref EnvironmentName
      ApplicationName: !Ref ApplicationName
      VersionLabel: !Ref ElasticBeanstalkApplicationVersion
      SolutionStackName: !Ref SolutionStackName
      OptionSettings:
        - Namespace: 'aws:autoscaling:launchconfiguration'
          OptionName: 'InstanceType'
          Value: !Ref InstanceType
        - Namespace: 'aws:elasticbeanstalk:environment'
          OptionName: 'EnvironmentType'
          Value: 'SingleInstance'
        - Namespace: 'aws:autoscaling:launchconfiguration'
          OptionName: 'IamInstanceProfile'
          Value: !Ref InstanceProfile
        - Namespace: 'aws:autoscaling:launchconfiguration'
          OptionName: 'SecurityGroups'
          Value: !Ref MySecurityGroup
        - Namespace: 'aws:ec2:vpc'
          OptionName: 'VPCId'
          Value: !Ref MyVPC
        - Namespace: 'aws:ec2:vpc'
          OptionName: 'Subnets'
          Value: !Join [ ',', [ !Ref MySubnet1, !Ref MySubnet2 ] ]

  InstanceProfile:
    Type: 'AWS::IAM::InstanceProfile'
    Properties:
      Roles:
        - !Ref EC2Role

  EC2Role:
    Type: 'AWS::IAM::Role'
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: 'Allow'
            Principal:
              Service: 'ec2.amazonaws.com'
            Action: 'sts:AssumeRole'
      Path: '/'
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AWSElasticBeanstalkWebTier
        - arn:aws:iam::aws:policy/AWSElasticBeanstalkMulticontainerDocker
        - arn:aws:iam::aws:policy/AWSElasticBeanstalkWorkerTier
        - arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly

Outputs:
  EnvironmentURL:
    Description: 'URL of the Elastic Beanstalk Environment'
    Value: !GetAtt ElasticBeanstalkEnvironment.EndpointURL