#intermediate #microservices #networking #aws-alb #istio #multi-tenant #traffic-management #kubernetes #cloud-native #ingress #devops #gateway-api #contour #cert-manager #cilium #canary-deployment #traffic-splitting #ab-testing #zero-downtime #k8s-networking #cloud-engineer #kubernetes-admin #api-gateway #sre #platform-engineering #devops-engineer #production-ready #nginx-gateway #service-mesh #container-orchestration #infrastructure-as-code #advanced