About This Architecture

Multi-AZ Spring Boot architecture on AWS delivers high-availability mobile app backends across two availability zones with automated failover and zero-downtime deployments. Traffic flows from mobile clients through AWS WAF and API Gateway to an Application Load Balancer, distributing requests to EC2 Spring Boot instances in separate AZs, each connected to RDS PostgreSQL with primary-standby replication for data resilience. Amazon Cognito integrates federated identity providers like Auth0 and Okta, while external connectors handle payments, communications, analytics, and CRM operations with centralized secrets and monitoring via CloudWatch. This architecture demonstrates AWS best practices for production mobile applications: defense-in-depth security, geographic redundancy, managed databases, and operational observability. Fork this diagram on Diagrams.so to customize subnets, instance types, or add additional AWS services like ElastiCache or SQS. Consider adding Auto Scaling policies and cross-AZ NAT Gateway redundancy for enhanced cost optimization and availability.

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How do I architect a highly available Spring Boot mobile backend on AWS across multiple availability zones?

This diagram shows a production multi-AZ architecture spanning us-east-1a and us-east-1b with Spring Boot EC2 instances behind an ALB, RDS PostgreSQL primary-standby replication, API Gateway with AWS WAF protection, and Amazon Cognito for federated identity. Each AZ has isolated public and private subnets, NAT Gateways for egress, and connections to external payment, email, analytics, and CRM serv