feat: final template.yaml

template.yaml

@@ -1,99 +1,81 @@
 AWSTemplateFormatVersion: '2010-09-09'
-Description: Deploy EC2 instance using a specific AMI, configure a security group with ingress rules for SSH and port 3001, and create VPC and subnet.
-
-Parameters:
-  AMI:
-    Type: String
-    Default: ami-021141a79f4c8fc02  # Default to your AMI ID if needed
-  InstanceType:
-    Type: String
-    Default: t3.large  # Default to t3.large
-  VpcCidrBlock:
-    Type: String
-    Default: 10.0.0.0/16  # Default to a private network range
-  SubnetCidrBlock:
-    Type: String
-    Default: 10.0.1.0/24  # Default to a smaller subnet range
-  SecurityGroupName:
-    Type: String
-    Default: ShuffleSG
+Description: 'Create an EC2 instance with port 3001 open and auto-generate network resources'
 
 Resources:
-  # Create the VPC
   VPC:
     Type: AWS::EC2::VPC
     Properties:
-      CidrBlock: !Ref VpcCidrBlock
-      EnableDnsSupport: "true"
-      EnableDnsHostnames: "true"
-      Tags:
-        - Key: Name
-          Value: ShuffleVPC
+      CidrBlock: 10.0.0.0/16
+      EnableDnsHostnames: true
+      EnableDnsSupport: true
 
-  # Create the Subnet within the VPC
-  Subnet:
+  PublicSubnet:
     Type: AWS::EC2::Subnet
     Properties:
-      CidrBlock: !Ref SubnetCidrBlock
       VpcId: !Ref VPC
-      AvailabilityZone: !Select [ 0, !GetAZs '' ]
-      MapPublicIpOnLaunch: "true"
-      Tags:
-        - Key: Name
-          Value: ShuffleSubnet
+      AvailabilityZone: !Select 
+        - 0
+        - !GetAZs 
+          Ref: 'AWS::Region'
+      CidrBlock: 10.0.1.0/24
+      MapPublicIpOnLaunch: true
+
+  InternetGateway:
+    Type: AWS::EC2::InternetGateway
+
+  AttachGateway:
+    Type: AWS::EC2::VPCGatewayAttachment
+    Properties:
+      VpcId: !Ref VPC
+      InternetGatewayId: !Ref InternetGateway
+
+  PublicRouteTable:
+    Type: AWS::EC2::RouteTable
+    Properties:
+      VpcId: !Ref VPC
+
+  PublicRoute:
+    Type: AWS::EC2::Route
+    DependsOn: AttachGateway
+    Properties:
+      RouteTableId: !Ref PublicRouteTable
+      DestinationCidrBlock: 0.0.0.0/0
+      GatewayId: !Ref InternetGateway
+
+  SubnetRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnet
+      RouteTableId: !Ref PublicRouteTable
 
-  # Create the Security Group for the EC2 instance
   SecurityGroup:
     Type: AWS::EC2::SecurityGroup
     Properties:
-      GroupName: !Ref SecurityGroupName
+      GroupDescription: Allow port 3001 access
       VpcId: !Ref VPC
       SecurityGroupIngress:
-        - IpProtocol: tcp
-          FromPort: 22
-          ToPort: 22
-          CidrIp: 0.0.0.0/0  # Allow SSH from anywhere
         - IpProtocol: tcp
           FromPort: 3001
           ToPort: 3001
-          CidrIp: 0.0.0.0/0  # Allow traffic on port 3001 from anywhere
+          CidrIp: 0.0.0.0/0
+        - IpProtocol: tcp
+          FromPort: 22
+          ToPort: 22
+          CidrIp: 0.0.0.0/0
 
-  # Create an EC2 instance
   EC2Instance:
     Type: AWS::EC2::Instance
     Properties:
-      ImageId: !Ref AMI
-      InstanceType: !Ref InstanceType
-      NetworkInterfaces:
-        - AssociatePublicIpAddress: true
-          DeviceIndex: 0
-          GroupSet:
-            - !Ref SecurityGroup
-          SubnetId: !Ref Subnet
-      Tags:
-        - Key: Name
-          Value: Shuffle AMI Test Instance
-      CpuOptions:
-        CoreCount: 1
-        ThreadsPerCore: 1
-      PrivateDnsNameOptions:
-        HostnameType: "ip-name"
-        EnableResourceNameDnsARecord: true
-        EnableResourceNameDnsAAAARecord: false
+      InstanceType: t3.large
+      SecurityGroupIds: 
+        - !Ref SecurityGroup
+      SubnetId: !Ref PublicSubnet
+      ImageId: ami-04996ef73316c465c
 
 Outputs:
   InstanceId:
-    Description: "Instance ID of the created EC2 instance"
+    Description: InstanceId of the newly created EC2 instance
     Value: !Ref EC2Instance
-  PublicIP:
-    Description: "Public IP address of the EC2 instance"
-    Value: !GetAtt EC2Instance.PublicIp
-  VPCId:
-    Description: "VPC ID"
-    Value: !Ref VPC
-  SubnetId:
-    Description: "Subnet ID"
-    Value: !Ref Subnet
-  SecurityGroupId:
-    Description: "Security Group ID"
-    Value: !Ref SecurityGroup
+  PublicDNS:
+    Description: Public DNSName of the newly created EC2 instance
+    Value: !GetAtt EC2Instance.PublicDnsName