cfn-template.yml

AWSTemplateFormatVersion: 2010-09-09

Description: >
  This CloudFormation Template creates a Docker engine on EC2 Instance for React Marvel API. Docker Machine will run on Amazon Linux 2 EC2 Instance with
  custom security group allowing SSH connections from anywhere on port 22.

Parameters:
  KeyPairName:
    Description: Enter the name of your Key Pair for SSH connections.
    Type: AWS::EC2::KeyPair::KeyName
    ConstraintDescription: Must one of the existing EC2 KeyPair
    Default: "virginia"

Resources:
  DockerMachineSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Enable SSH for Docker Machine
      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

  DockerMachine:
    Type: AWS::EC2::Instance
    Properties:
      ImageId: ami-09d95fab7fff3776c
      InstanceType: t2.micro
      KeyName: !Ref KeyPairName
      SecurityGroupIds:
        - !GetAtt DockerMachineSecurityGroup.GroupId
      Tags:
        - Key: Name
          Value: !Sub Docker Machine of ${AWS::StackName}
      UserData:
        Fn::Base64: |
          #! /bin/bash
          yum update -y
          amazon-linux-extras install docker -y
          systemctl start docker
          systemctl enable docker
          usermod -a -G docker ec2-user
          newgrp docker
          docker pull devenes/marvel-api:2
          docker run -d -p 80:3000 --name marvel-api devenes/marvel-api:2

Outputs:
  WebsiteURL:
    Description: Docker Machine DNS Name
    Value: !Sub
      - ${PublicAddress}
      - PublicAddress: !GetAtt DockerMachine.PublicDnsName