AWSTemplateFormatVersion: 2010-09-09
Description: "Deploy doccano on AWS EC2"

Parameters:
  Username:
    Description: "The username of the superuser"
    Type: String
    Default: "admin"
  Password:
    Description: "The password of the superuser"
    Type: String
    Default: "password"
    NoEcho: true
  KeyName:
    Description: Name of an existing EC2 KeyPair to enable SSH access to the instance
    Type: AWS::EC2::KeyPair::KeyName
    ConstraintDescription: must be the name of an existing EC2 KeyPair.
  InstanceType:
    Description: WebServer EC2 instance type
    Type: String
    Default: t2.small
    AllowedValues:
      - t2.small
      - t2.medium
      - t2.large
    ConstraintDescription: must be a valid EC2 instance type.
  LatestAmiId:
    Type: 'AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>'
    Default: '/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2'

Metadata:
  AWS::CloudFormation::Interface:
    ParameterGroups:
      - Label:
          default: "doccano Configuration"
        Parameters:
          - Username
          - Password
      - Label:
          default: "EC2 Configuration"
        Parameters:
          - KeyName
          - InstanceType

Resources:
  VPC:
    Type: "AWS::EC2::VPC"
    Properties:
      CidrBlock: "10.0.0.0/16"
      EnableDnsHostnames: true
      EnableDnsSupport: true
      InstanceTenancy: default
      Tags:
        - Key: Name
          Value: doccanoVPC
  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: doccano-igw
  AttachGateway:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref VPC
      InternetGatewayId: !Ref InternetGateway
  PublicSubnet:
    Type: "AWS::EC2::Subnet"
    Properties:
      AvailabilityZone:
        Fn::Select:
          - 0
          - Fn::GetAZs: { Ref: "AWS::Region" }
      CidrBlock: "10.0.1.0/24"
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: doccano-public-subnet
      VpcId: !Ref VPC
  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: doccanoRouteTable
  PublicRoute:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: "0.0.0.0/0"
      GatewayId: !Ref InternetGateway
  PublicRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet
      RouteTableId: !Ref PublicRouteTable
  EC2SecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupName: "doccano-ec2-sg"
      GroupDescription: "Security Group for doccano"
      VpcId: !Ref VPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: "80"
          ToPort: "80"
          CidrIp: 0.0.0.0/0
        - IpProtocol: tcp
          FromPort: "22"
          ToPort: "22"
          CidrIp: 0.0.0.0/0
      Tags:
        - Key: Name
          Value: doccano-ec2-sg
  EC2Instance:
    Type: AWS::EC2::Instance
    Properties:
      AvailabilityZone:
        Fn::Select:
          - 0
          - Fn::GetAZs: { Ref: "AWS::Region" }
      KeyName: !Ref KeyName
      ImageId: !Ref LatestAmiId
      InstanceType: !Ref InstanceType
      Monitoring: true
      SecurityGroupIds:
        - !Ref EC2SecurityGroup
      SubnetId: !Ref PublicSubnet
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash -ex
          yum update -y
          # Install Docker
          yum install -y docker
          systemctl enable docker
          service docker start
          # Install docker compose
          curl -L "https://github.com/docker/compose/releases/download/1.26.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
          chmod +x /usr/local/bin/docker-compose
          ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
          # Install git
          yum install -y git
          git clone https://github.com/doccano/doccano.git
          cd doccano
          cp config/.env.example .env
          sed -i s/admin/${Username}/g .env
          sed -i s/password/${Password}/g .env
          docker-compose -f docker-compose.prod.yml up -d
      Tags:
        - Key: Name
          Value: doccano
Outputs:
  PublicDNS:
    Description: EC2 public DNS
    Value: !GetAtt EC2Instance.PublicDnsName