"Envoy gRPC-Web 代理与跨域配置实战"

Envoy gRPC-Web 代理与跨域配置实战static_resources: listeners: - name: listener_0 address: socket_address: { address: 0.0.0.0, port_value: 8080 } filter_chains: - filters: - name: envoy.filters.network.http_connection_manager typed_config: "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager stat_prefix: ingress_http route_config: name: local_route virtual_hosts: - name: backend domains: ["*"] routes: - match: { prefix: "/" } route: { cluster: grpc_back } http_filters: - name: envoy.filters.http.grpc_web - name: envoy.filters.http.cors - name: envoy.filters.http.router clusters: - name: grpc_back type: LOGICAL_DNS connect_timeout: 1s lb_policy: ROUND_ROBIN http2_protocol_options: {} load_assignment: cluster_name: grpc_back endpoints: - lb_endpoints: - endpoint: address: socket_address: { address: 127.0.0.1, port_value: 7001 } 总结通过 `grpc_web` 过滤器与 HTTP/2 后端集群配置，Envoy 可接受浏览器 gRPC-Web 并转发到 gRPC 服务。