VPC Architecture

Subnets, availability zones and what is actually reachable from where.

Format.puml
Length43 lines
LibraryAWS icons

The source

43 lines of PlantUML, and pulls in AWS icons. Copy it, or open the template inside Gnomon and render it as it is.

@startuml
!define AWSPuml https://raw.githubusercontent.com/awslabs/aws-icons-for-plantuml/main/dist
!include AWSPuml/AWSCommon.puml
!include AWSPuml/Groups/VPC.puml
!include AWSPuml/Groups/AvailabilityZone.puml
!include AWSPuml/Groups/PublicSubnet.puml
!include AWSPuml/Groups/PrivateSubnet.puml
!include AWSPuml/Compute/EC2.puml
!include AWSPuml/Database/RDS.puml
!include AWSPuml/NetworkingContentDelivery/ElasticLoadBalancing.puml
!include AWSPuml/NetworkingContentDelivery/VPCNATGateway.puml

title AWS VPC Architecture

VPCGroup(vpc, "Production VPC") {
  AvailabilityZoneGroup(az1, "AZ-1") {
    PublicSubnetGroup(public1, "Public Subnet") {
      ElasticLoadBalancing(alb, "ALB", "")
      VPCNATGateway(nat1, "NAT Gateway", "")
    }
    PrivateSubnetGroup(private1, "Private Subnet") {
      EC2(app1, "App Server", "")
      RDS(db1, "Primary DB", "")
    }
  }
  AvailabilityZoneGroup(az2, "AZ-2") {
    PublicSubnetGroup(public2, "Public Subnet") {
      VPCNATGateway(nat2, "NAT Gateway", "")
    }
    PrivateSubnetGroup(private2, "Private Subnet") {
      EC2(app2, "App Server", "")
      RDS(db2, "Standby DB", "")
    }
  }
}

alb --> app1
alb --> app2
app1 --> db1
app2 --> db1
db1 <--> db2 : Replication

@enduml

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