discovery: +invoke url

api/gateway/mntx/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50075"
+  advertise_host: "sendico_mntx_gateway"
   enable_reflection: true
   enable_health: true
 

api/gateway/mntx/internal/server/internal/serverimp.go

@@ -184,7 +184,12 @@ func (i *Imp) Start() error {
 	)
 
 	serviceFactory := func(logger mlogger.Logger, _ struct{}, producer msg.Producer) (grpcapp.Service, error) {
+		invokeURI := ""
+		if cfg.GRPC != nil {
+			invokeURI = cfg.GRPC.DiscoveryInvokeURI()
+		}
 		svc := mntxservice.NewService(logger,
+			mntxservice.WithDiscoveryInvokeURI(invokeURI),
 			mntxservice.WithProducer(producer),
 			mntxservice.WithMonetixConfig(monetixCfg),
 			mntxservice.WithGatewayDescriptor(gatewayDescriptor),

api/gateway/mntx/internal/service/gateway/options.go

@@ -2,6 +2,7 @@ package gateway
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/tech/sendico/gateway/mntx/internal/service/monetix"
 	"github.com/tech/sendico/pkg/clock"
@@ -52,3 +53,10 @@ func WithGatewayDescriptor(descriptor *gatewayv1.GatewayInstanceDescriptor) Opti
 		}
 	}
 }
+
+// WithDiscoveryInvokeURI sets the invoke URI used when announcing the gateway.
+func WithDiscoveryInvokeURI(invokeURI string) Option {
+	return func(s *Service) {
+		s.invokeURI = strings.TrimSpace(invokeURI)
+	}
+}

api/gateway/mntx/internal/service/gateway/service.go

@@ -30,6 +30,7 @@ type Service struct {
 	card              *cardPayoutProcessor
 	gatewayDescriptor *gatewayv1.GatewayInstanceDescriptor
 	announcer         *discovery.Announcer
+	invokeURI         string
 
 	connectorv1.UnimplementedConnectorServiceServer
 }
@@ -145,7 +146,7 @@ func (s *Service) startDiscoveryAnnouncer() {
 		Service:    "CARD_PAYOUT_RAIL_GATEWAY",
 		Rail:       "CARD_PAYOUT",
 		Operations: []string{"payout.card"},
-		InvokeURI:  discovery.DefaultInvokeURI(string(mservice.MntxGateway)),
+		InvokeURI:  s.invokeURI,
 		Version:    appversion.Create().Short(),
 	}
 	if s.gatewayDescriptor != nil {