Use ALB to Achieve Gray Release

This lab uses Alibaba Cloud ALB (Application Load Balancer). This lab shows how ALB forwards requests based on HTTP paths to different backend servers. ALB is launched by Alibaba Cloud and is designed for application-layer load balancing scenarios such as HTTP, HTTPS, and QUIC. ALB provides ultra-high elasticity and large-scale layer 7 traffic processing capabilities. ALB is a cloud-native Ingress Gateway officially provided by Alibaba Cloud and is capable of processing complex bus