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