Modern application architecture diagram, web application, clean minimalistic style, 3D illustration, gradient colors, simple icons, straight lines, right angles, layered structure, cloud hosting, load balancer, multiple servers, database cluster, message queue, API gateway, microservices, containerization, Docker, Kubernetes, orchestration, monitoring dashboard, scalable design, high availability, real-time data analytics, user authentication, authorization, encryption, secure protocol, HTTPS, SSL/TLS certificate, firewall protection, intrusion detection system, backup and recovery system, disaster recovery plan, DevOps pipeline, continuous integration, automated testing, agile development methodology, Scrum board, sticky notes, IT infrastructure, network topology diagram, 3/4 composition, isometric perspective, bright colors, futuristic feel.