在CloudFormation模板中指定正确的VPC和安全组。例如:
Resources:
EC2Instance:
Type: AWS::EC2::Instance
Properties:
ImageId: ami-0c55b159cbfafe1f0
InstanceType: t2.micro
NetworkInterfaces:
- GroupSet:
- Ref: SecurityGroup
AssociatePublicIpAddress: 'true'
DeviceIndex: '0'
DeleteOnTermination: 'true'
SubnetId: subnet-0123456789abcdef
SecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Allow SSH and HTTP access
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: '22'
ToPort: '22'
CidrIp: 0.0.0.0/0
- IpProtocol: tcp
FromPort: '80'
ToPort: '80'
CidrIp: 0.0.0.0/0
VpcId: vpc-0123456789abcdef