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| FirstInstance: # (1) | |
| Type: AWS::EC2::Instance # (2) | |
| Properties: | |
| ImageId: ami-0389b2a3c4948b1a0 # (3) | |
| InstanceType: t2.micro # (4) | |
| UserData: | |
| Fn::Base64: | |
| Fn::Sub: | # (5) | |
| #!/bin/bash -xe | |
| yum update -y |
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| FirstInstance: | |
| Type: AWS::EC2::Instance | |
| Properties: | |
| ImageId: ami-0389b2a3c4948b1a0 | |
| InstanceType: t2.micro | |
| SecurityGroups: | |
| - !Ref InstanceSecurityGroup # (1) | |
| UserData: | |
| Fn::Base64: | |
| Fn::Sub: | |
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| AppLaunchConfig: # (2) | |
| Type: AWS::AutoScaling::LaunchConfiguration # (2) | |
| Properties: | |
| ImageId: ami-0389b2a3c4948b1a0 | |
| InstanceType: t2.micro | |
| SecurityGroups: | |
| - !Ref InstanceSecurityGroup | |
| UserData: | |
| Fn::Base64: | |
| Fn::Sub: | |
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| AppLaunchConfig: # (1) | |
| Type: AWS::AutoScaling::LaunchConfiguration # (2) | |
| Properties: | |
| ImageId: ami-0389b2a3c4948b1a0 | |
| InstanceType: t2.micro | |
| SecurityGroups: | |
| - !Ref InstanceSecurityGroup | |
| AssociatePublicIpAddress: true | |
| UserData: | |
| Fn::Base64: |
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| AutoScalingGroup: | |
| Type: AWS::AutoScaling::AutoScalingGroup | |
| Properties: | |
| LaunchConfigurationName: !Ref AppLaunchConfig | |
| # AvailabilityZones: | |
| # - !Select [0, !GetAZs ] | |
| # - !Select [1, !GetAZs ] | |
| VPCZoneIdentifier: # (1) | |
| - !Ref PublicSubnetA | |
| - !Ref PublicSubnetB |
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| InternetGateway: # (1) | |
| Type: AWS::EC2::InternetGateway # (2) | |
| DependsOn: VPC | |
| AttachGateway: # (2) | |
| Type: AWS::EC2::VPCGatewayAttachment # (4) | |
| Properties: | |
| VpcId: !Ref VPC # (5) | |
| InternetGatewayId: !Ref InternetGateway # (6 |
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| PublicRouteTable: # (1) | |
| Type: AWS::EC2::RouteTable # (2) | |
| Properties: | |
| VpcId: !Ref VPC # (3) | |
| PublicRoute: # (4) | |
| Type: AWS::EC2::Route # (5) | |
| DependsOn: AttachGateway | |
| Properties: | |
| RouteTableId: !Ref PublicRouteTable # (6) |
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| ApplicationLoadBalancerSecurityGroup: | |
| Type: AWS::EC2::SecurityGroup # (4) | |
| Properties: | |
| GroupDescription: SSH and HTTP | |
| VpcId: !Ref VPC | |
| SecurityGroupIngress: # (5) | |
| - CidrIp: 0.0.0.0/0 | |
| FromPort: 80 | |
| IpProtocol: tcp | |
| ToPort: 80 |
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| ApplicationLoadBalancer: | |
| Type: AWS::ElasticLoadBalancingV2::LoadBalancer # (1) | |
| Properties: | |
| SecurityGroups: | |
| - !Ref ApplicationLoadBalancerSecurityGroup # (2) | |
| Subnets: # (3) | |
| - !Ref PublicSubnetA | |
| - !Ref PublicSubnetB | |
| ApplicationLoadBalancerSecurityGroup: |
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| InstanceSecurityGroup: | |
| Type: AWS::EC2::SecurityGroup | |
| Properties: | |
| GroupDescription: Letting HTTP into our instance | |
| VpcId: !Ref VPC | |
| SecurityGroupIngress: | |
| - FromPort: 80 | |
| IpProtocol: tcp | |
| ToPort: 80 | |
| SourceSecurityGroupId: !Ref ApplicationLoadBalancerSecurityGroup # (1) |