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